From: Marc Liyanage <reg.gitcommit@entropy.ch>
Date: Fri, 21 Apr 2006 09:55:11 +0000 (+0000)
Subject: version 1.1, universal binary, new xcode
X-Git-Tag: v1.2~2
X-Git-Url: http://www.entropy.ch/git/LeanCalc.git/commitdiff_plain/f5fbaceee4c5c117ef600df1362fa90333ed8bc9

version 1.1, universal binary, new xcode

git-svn-id: svn+ssh://www.entropy.ch/Users/liyanage/Documents/svnroot/trunk/LeanCalc@205 153f8dbc-cef0-0310-8e0e-ba1d6c9f8c6b
---

diff --git a/English.lproj/InfoPlist.strings b/English.lproj/InfoPlist.strings
index 7496c38..36b3b32 100644
Binary files a/English.lproj/InfoPlist.strings and b/English.lproj/InfoPlist.strings differ
diff --git a/Info.plist b/Info.plist
index 3885509..8520384 100644
--- a/Info.plist
+++ b/Info.plist
@@ -38,7 +38,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1.0</string>
+	<string>1.1</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/LeanCalc.xcode/liyanage.pbxuser b/LeanCalc.xcode/liyanage.pbxuser
deleted file mode 100644
index 129d2bb..0000000
--- a/LeanCalc.xcode/liyanage.pbxuser
+++ /dev/null
@@ -1,823 +0,0 @@
-// !$*UTF8*$!
-{
-	1B30E57307AEA98F00363386 = {
-		activeArgIndex = 2147483647;
-		activeArgIndices = (
-		);
-		argumentStrings = (
-		);
-		configStateDict = {
-		};
-		cppStopOnCatchEnabled = 0;
-		cppStopOnThrowEnabled = 0;
-		customDataFormattersEnabled = 1;
-		debuggerPlugin = GDBDebugging;
-		disassemblyDisplayState = 0;
-		dylibVariantSuffix = "";
-		enableDebugStr = 1;
-		environmentEntries = (
-		);
-		isa = PBXExecutable;
-		libgmallocEnabled = 0;
-		name = LeanCalc;
-		savedGlobals = {
-		};
-		shlibInfoDictList = (
-		);
-		sourceDirectories = (
-		);
-	};
-	1B30E57E07AEA99900363386 = {
-		fallbackIsa = XCSourceControlManager;
-		isSCMEnabled = 0;
-		isa = PBXSourceControlManager;
-		scmConfiguration = {
-		};
-		scmType = "";
-	};
-	1B30E57F07AEA99900363386 = {
-		indexTemplatePath = "";
-		isa = PBXCodeSenseManager;
-		usesDefaults = 1;
-		wantsCodeCompletion = 1;
-		wantsCodeCompletionAutoSuggestions = 1;
-		wantsCodeCompletionCaseSensitivity = 0;
-		wantsCodeCompletionListAlways = 1;
-		wantsCodeCompletionOnlyMatchingItems = 1;
-		wantsCodeCompletionParametersIncluded = 1;
-		wantsCodeCompletionPlaceholdersInserted = 1;
-		wantsCodeCompletionTabCompletes = 1;
-		wantsIndex = 1;
-	};
-	1B82418207BE13B000279D6D = {
-		fRef = 2A37F4B7FDCFA73011CA2CEA;
-		isa = PBXBookmark;
-	};
-	1B82427B07BF61C600279D6D = {
-		fRef = 089C1660FE840EACC02AAC07;
-		isa = PBXTextBookmark;
-		name = "English: 4";
-		rLen = 0;
-		rLoc = 115;
-		rType = 0;
-		vrLen = 124;
-		vrLoc = 0;
-	};
-	1B82427F07BF61C600279D6D = {
-		fRef = 089C1660FE840EACC02AAC07;
-		isa = PBXTextBookmark;
-		name = "English: 4";
-		rLen = 0;
-		rLoc = 115;
-		rType = 0;
-		vrLen = 124;
-		vrLoc = 0;
-	};
-	1B82434A07BF7A4B00279D6D = {
-		fRef = 8D15AC360486D014006FF6A4;
-		isa = PBXTextBookmark;
-		name = "Info.plist: 45";
-		rLen = 0;
-		rLoc = 1246;
-		rType = 0;
-		vrLen = 949;
-		vrLoc = 0;
-	};
-	1B8243C007BF863D00279D6D = {
-		fRef = 2A37F4BAFDCFA73011CA2CEA;
-		isa = PBXTextBookmark;
-		name = "English: 2";
-		rLen = 0;
-		rLoc = 1;
-		rType = 0;
-		vrLen = 163;
-		vrLoc = 0;
-	};
-	1B8243C407BF865300279D6D = {
-		fRef = 1B8243BC07BF863600279D6D;
-		isa = PBXBookmark;
-	};
-	1B8243C607BF865300279D6D = {
-		fRef = 1B8243BC07BF863600279D6D;
-		isa = PBXBookmark;
-	};
-	1B8243C807BF866200279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{0, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243CD07BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{204, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243CE07BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {881, 1022}}";
-			sepNavSelRange = "{1032, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243CF07BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{0, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243D007BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1063, 1750}}";
-			sepNavSelRange = "{1936, 0}";
-			sepNavVisRect = "{{0, 1285}, {650, 465}}";
-		};
-	};
-	1B8243D107BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{239, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243D207BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {664, 546}}";
-			sepNavSelRange = "{685, 0}";
-			sepNavVisRect = "{{0, 81}, {650, 465}}";
-		};
-	};
-	1B8243D307BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{374, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B8243D407BF867300279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1252, 1764}}";
-			sepNavSelRange = "{258, 0}";
-			sepNavVisRect = "{{0, 587}, {650, 465}}";
-		};
-	};
-	1B8243E107BF86BE00279D6D = {
-		fRef = 1B8243CD07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.h: 13";
-		rLen = 0;
-		rLoc = 204;
-		rType = 0;
-		vrLen = 347;
-		vrLoc = 0;
-	};
-	1B8243E307BF86BE00279D6D = {
-		fRef = 1B8243CD07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.h: 13";
-		rLen = 0;
-		rLoc = 204;
-		rType = 0;
-		vrLen = 347;
-		vrLoc = 0;
-	};
-	1B82478707BF8A7000279D6D = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
-			sepNavSelRange = "{132, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-		};
-	};
-	1B82478907BF8A7600279D6D = {
-		fRef = 1B8243C807BF866200279D6D;
-		isa = PBXTextBookmark;
-		name = "main.m: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 306;
-		vrLoc = 0;
-	};
-	1B82478A07BF8A7600279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B82478B07BF8A7600279D6D = {
-		fRef = 1B8243C807BF866200279D6D;
-		isa = PBXTextBookmark;
-		name = "main.m: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 306;
-		vrLoc = 0;
-	};
-	1B82478C07BF8A7600279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 6";
-		rLen = 0;
-		rLoc = 132;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B824B1407BF8B1100279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 6";
-		rLen = 0;
-		rLoc = 132;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B824B1507BF8B1100279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 6";
-		rLen = 0;
-		rLoc = 132;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B824B1C07BF8C6200279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 6";
-		rLen = 0;
-		rLoc = 132;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B824B1D07BF8C6200279D6D = {
-		fRef = 1B8243CD07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.h: 13";
-		rLen = 0;
-		rLoc = 204;
-		rType = 0;
-		vrLen = 347;
-		vrLoc = 0;
-	};
-	1B824B1E07BF8C6200279D6D = {
-		fRef = 1B8243CE07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.m: 40";
-		rLen = 0;
-		rLoc = 1032;
-		rType = 0;
-		vrLen = 712;
-		vrLoc = 0;
-	};
-	1B824B1F07BF8C6200279D6D = {
-		fRef = 1B8243CF07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "Calculation.h: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 418;
-		vrLoc = 0;
-	};
-	1B824B2007BF8C6200279D6D = {
-		fRef = 1B8243D007BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "Calculation.m: expressionIsEmpty";
-		rLen = 0;
-		rLoc = 1936;
-		rType = 0;
-		vrLen = 505;
-		vrLoc = 1803;
-	};
-	1B824B2107BF8C6200279D6D = {
-		fRef = 1B8243D107BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "CmdKeyInterceptApplication.h: 13";
-		rLen = 0;
-		rLoc = 239;
-		rType = 0;
-		vrLen = 247;
-		vrLoc = 0;
-	};
-	1B824B2207BF8C6200279D6D = {
-		fRef = 1B8243D207BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "CmdKeyInterceptApplication.m: 33";
-		rLen = 0;
-		rLoc = 685;
-		rType = 0;
-		vrLen = 691;
-		vrLoc = 94;
-	};
-	1B824B2307BF8C6200279D6D = {
-		fRef = 1B8243D307BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.h: commit:";
-		rLen = 0;
-		rLoc = 374;
-		rType = 0;
-		vrLen = 491;
-		vrLoc = 0;
-	};
-	1B824B2407BF8C6200279D6D = {
-		fRef = 1B8243D407BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.m: 23";
-		rLen = 0;
-		rLoc = 258;
-		rType = 0;
-		vrLen = 728;
-		vrLoc = 571;
-	};
-	1B824B2507BF8C6200279D6D = {
-		fRef = 1B82478707BF8A7000279D6D;
-		isa = PBXTextBookmark;
-		name = "LeanCalc_Prefix.pch: 6";
-		rLen = 0;
-		rLoc = 132;
-		rType = 0;
-		vrLen = 147;
-		vrLoc = 0;
-	};
-	1B824B2607BF8C6200279D6D = {
-		fRef = 1B8243CD07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.h: 13";
-		rLen = 0;
-		rLoc = 204;
-		rType = 0;
-		vrLen = 347;
-		vrLoc = 0;
-	};
-	1B824B2707BF8C6200279D6D = {
-		fRef = 1B8243CE07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "AppDelegate.m: 40";
-		rLen = 0;
-		rLoc = 1032;
-		rType = 0;
-		vrLen = 712;
-		vrLoc = 0;
-	};
-	1B824B2807BF8C6200279D6D = {
-		fRef = 1B8243CF07BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "Calculation.h: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 418;
-		vrLoc = 0;
-	};
-	1B824B2907BF8C6200279D6D = {
-		fRef = 1B8243D007BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "Calculation.m: expressionIsEmpty";
-		rLen = 0;
-		rLoc = 1936;
-		rType = 0;
-		vrLen = 505;
-		vrLoc = 1803;
-	};
-	1B824B2A07BF8C6200279D6D = {
-		fRef = 1B8243D107BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "CmdKeyInterceptApplication.h: 13";
-		rLen = 0;
-		rLoc = 239;
-		rType = 0;
-		vrLen = 247;
-		vrLoc = 0;
-	};
-	1B824B2B07BF8C6200279D6D = {
-		fRef = 1B8243D207BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "CmdKeyInterceptApplication.m: 33";
-		rLen = 0;
-		rLoc = 685;
-		rType = 0;
-		vrLen = 691;
-		vrLoc = 94;
-	};
-	1B824B2C07BF8C6200279D6D = {
-		fRef = 1B8243D307BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.h: commit:";
-		rLen = 0;
-		rLoc = 374;
-		rType = 0;
-		vrLen = 491;
-		vrLoc = 0;
-	};
-	1B824B2D07BF8C6200279D6D = {
-		fRef = 1B8243D407BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.m: 23";
-		rLen = 0;
-		rLoc = 258;
-		rType = 0;
-		vrLen = 422;
-		vrLoc = 0;
-	};
-	1B824B2E07BF8C6200279D6D = {
-		fRef = 1B8243D307BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.h: commit:";
-		rLen = 0;
-		rLoc = 374;
-		rType = 0;
-		vrLen = 491;
-		vrLoc = 0;
-	};
-	1B824B2F07BF8C6200279D6D = {
-		fRef = 1B8243D407BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.m: 23";
-		rLen = 0;
-		rLoc = 258;
-		rType = 0;
-		vrLen = 728;
-		vrLoc = 571;
-	};
-	1B824B3007BF8C6200279D6D = {
-		fRef = 1B8243D307BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.h: commit:";
-		rLen = 0;
-		rLoc = 374;
-		rType = 0;
-		vrLen = 491;
-		vrLoc = 0;
-	};
-	1B824B3107BF8C6200279D6D = {
-		fRef = 1B8243D407BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.m: 23";
-		rLen = 0;
-		rLoc = 258;
-		rType = 0;
-		vrLen = 730;
-		vrLoc = 569;
-	};
-	1B824B3207BF8C6C00279D6D = {
-		fRef = 1B8243D407BF867300279D6D;
-		isa = PBXTextBookmark;
-		name = "MyDocument.m: 23";
-		rLen = 0;
-		rLoc = 258;
-		rType = 0;
-		vrLen = 730;
-		vrLoc = 569;
-	};
-	1BADE91E07BC0E6C0020BE61 = {
-		fRef = 2A37F4B7FDCFA73011CA2CEA;
-		isa = PBXBookmark;
-	};
-	1BC8F14907B8301200987A06 = {
-		fRef = 8D15AC360486D014006FF6A4;
-		isa = PBXTextBookmark;
-		name = "Info.plist: 48";
-		rLen = 0;
-		rLoc = 1273;
-		rType = 0;
-		vrLen = 949;
-		vrLoc = 0;
-	};
-	1BD2F3F207B74F230022B69D = {
-		fRef = 2A37F4B5FDCFA73011CA2CEA;
-		isa = PBXBookmark;
-	};
-	1BD2F3F507B74F230022B69D = {
-		fRef = 2A37F4B5FDCFA73011CA2CEA;
-		isa = PBXBookmark;
-	};
-	1BD2F45307B829610022B69D = {
-		fRef = 2A37F4BAFDCFA73011CA2CEA;
-		isa = PBXTextBookmark;
-		name = "English: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 157;
-		vrLoc = 0;
-	};
-	2A37F4A9FDCFA73011CA2CEA = {
-		activeBuildStyle = 4A9504D1FFE6A4CB11CA0CBA;
-		activeExecutable = 1B30E57307AEA98F00363386;
-		activeTarget = 8D15AC270486D014006FF6A4;
-		addToTargets = (
-			8D15AC270486D014006FF6A4,
-		);
-		breakpoints = (
-		);
-		codeSenseManager = 1B30E57F07AEA99900363386;
-		executables = (
-			1B30E57307AEA98F00363386,
-		);
-		perUserDictionary = {
-			PBXConfiguration.PBXFileTableDataSource3.PBXFileTableDataSource = {
-				PBXFileTableDataSourceColumnSortingDirectionKey = "-1";
-				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
-				PBXFileTableDataSourceColumnWidthsKey = (
-					20,
-					422,
-					20,
-					78,
-					43,
-					43,
-					20,
-				);
-				PBXFileTableDataSourceColumnsKey = (
-					PBXFileDataSource_FiletypeID,
-					PBXFileDataSource_Filename_ColumnID,
-					PBXFileDataSource_Built_ColumnID,
-					PBXFileDataSource_ObjectSize_ColumnID,
-					PBXFileDataSource_Errors_ColumnID,
-					PBXFileDataSource_Warnings_ColumnID,
-					PBXFileDataSource_Target_ColumnID,
-				);
-			};
-			PBXConfiguration.PBXTargetDataSource.PBXTargetDataSource = {
-				PBXFileTableDataSourceColumnSortingDirectionKey = "-1";
-				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
-				PBXFileTableDataSourceColumnWidthsKey = (
-					20,
-					360,
-					80,
-					20,
-					80,
-					43,
-					43,
-				);
-				PBXFileTableDataSourceColumnsKey = (
-					PBXFileDataSource_FiletypeID,
-					PBXFileDataSource_Filename_ColumnID,
-					PBXTargetDataSource_PrimaryAttribute,
-					PBXFileDataSource_Built_ColumnID,
-					PBXFileDataSource_ObjectSize_ColumnID,
-					PBXFileDataSource_Errors_ColumnID,
-					PBXFileDataSource_Warnings_ColumnID,
-				);
-			};
-			PBXPerProjectTemplateStateSaveDate = 129993428;
-			PBXPrepackagedSmartGroups_v2 = (
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					activationKey = OldTargetSmartGroup;
-					clz = PBXTargetSmartGroup;
-					description = "Displays all targets of the project.";
-					globalID = 1C37FABC04509CD000000102;
-					name = Targets;
-					preferences = {
-						image = Targets;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXTargetSmartGroup2;
-					description = "Displays all targets of the project as well as nested build phases.";
-					globalID = 1C37FBAC04509CD000000102;
-					name = Targets;
-					preferences = {
-						image = Targets;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXExecutablesSmartGroup;
-					description = "Displays all executables of the project.";
-					globalID = 1C37FAAC04509CD000000102;
-					name = Executables;
-					preferences = {
-						image = Executable;
-					};
-				},
-				{
-					" PBXTransientLocationAtTop " = bottom;
-					absolutePathToBundle = "";
-					clz = PBXErrorsWarningsSmartGroup;
-					description = "Displays files with errors or warnings.";
-					globalID = 1C08E77C0454961000C914BD;
-					name = "Errors and Warnings";
-					preferences = {
-						fnmatch = "";
-						image = WarningsErrors;
-						recursive = 1;
-						regex = "";
-						root = "<PROJECT>";
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXFilenameSmartGroup;
-					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
-					globalID = 1CC0EA4004350EF90044410B;
-					name = "Implementation Files";
-					preferences = {
-						canSave = 1;
-						fnmatch = "";
-						image = SmartFolder;
-						isLeaf = 0;
-						recursive = 1;
-						regex = "?*\\.[mcMC]";
-						root = "<PROJECT>";
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXFilenameSmartGroup;
-					description = "This group displays Interface Builder NIB Files.";
-					globalID = 1CC0EA4004350EF90041110B;
-					name = "NIB Files";
-					preferences = {
-						canSave = 1;
-						fnmatch = "*.nib";
-						image = SmartFolder;
-						isLeaf = 0;
-						recursive = 1;
-						regex = "";
-						root = "<PROJECT>";
-					};
-				},
-				{
-					PBXTransientLocationAtTop = no;
-					absolutePathToBundle = "";
-					clz = PBXFindSmartGroup;
-					description = "Displays Find Results.";
-					globalID = 1C37FABC05509CD000000102;
-					name = "Find Results";
-					preferences = {
-						image = spyglass;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = no;
-					absolutePathToBundle = "";
-					clz = PBXBookmarksSmartGroup;
-					description = "Displays Project Bookmarks.";
-					globalID = 1C37FABC05539CD112110102;
-					name = Bookmarks;
-					preferences = {
-						image = Bookmarks;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = XCSCMSmartGroup;
-					description = "Displays files with interesting SCM status.";
-					globalID = E2644B35053B69B200211256;
-					name = SCM;
-					preferences = {
-						image = PBXRepository;
-						isLeaf = 0;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXSymbolsSmartGroup;
-					description = "Displays all symbols for the project.";
-					globalID = 1C37FABC04509CD000100104;
-					name = "Project Symbols";
-					preferences = {
-						image = ProjectSymbols;
-						isLeaf = 1;
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXFilenameSmartGroup;
-					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
-					globalID = PBXTemplateMarker;
-					name = "Simple Filter SmartGroup";
-					preferences = {
-						canSave = 1;
-						fnmatch = "*.nib";
-						image = SmartFolder;
-						isLeaf = 0;
-						recursive = 1;
-						regex = "";
-						root = "<PROJECT>";
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					absolutePathToBundle = "";
-					clz = PBXFilenameSmartGroup;
-					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
-					globalID = PBXTemplateMarker;
-					name = "Simple Regular Expression SmartGroup";
-					preferences = {
-						canSave = 1;
-						fnmatch = "";
-						image = SmartFolder;
-						isLeaf = 0;
-						recursive = 1;
-						regex = "?*\\.[mcMC]";
-						root = "<PROJECT>";
-					};
-				},
-				{
-					PBXTransientLocationAtTop = bottom;
-					clz = XDDesignSmartGroup;
-					description = "Displays Xdesign models";
-					globalID = 2E4A936305E6979E00701470;
-					name = Design;
-					preferences = {
-						image = Design;
-						isLeaf = 0;
-					};
-				},
-			);
-			PBXWorkspaceStateSaveDate = 129993428;
-		};
-		perUserProjectItems = {
-			1B82418207BE13B000279D6D = 1B82418207BE13B000279D6D;
-			1B82427B07BF61C600279D6D = 1B82427B07BF61C600279D6D;
-			1B82427F07BF61C600279D6D = 1B82427F07BF61C600279D6D;
-			1B82434A07BF7A4B00279D6D = 1B82434A07BF7A4B00279D6D;
-			1B8243C007BF863D00279D6D = 1B8243C007BF863D00279D6D;
-			1B8243C407BF865300279D6D = 1B8243C407BF865300279D6D;
-			1B8243C607BF865300279D6D = 1B8243C607BF865300279D6D;
-			1B8243E107BF86BE00279D6D = 1B8243E107BF86BE00279D6D;
-			1B8243E307BF86BE00279D6D = 1B8243E307BF86BE00279D6D;
-			1B82478907BF8A7600279D6D = 1B82478907BF8A7600279D6D;
-			1B82478A07BF8A7600279D6D = 1B82478A07BF8A7600279D6D;
-			1B82478B07BF8A7600279D6D = 1B82478B07BF8A7600279D6D;
-			1B82478C07BF8A7600279D6D = 1B82478C07BF8A7600279D6D;
-			1B824B1407BF8B1100279D6D = 1B824B1407BF8B1100279D6D;
-			1B824B1507BF8B1100279D6D = 1B824B1507BF8B1100279D6D;
-			1B824B1C07BF8C6200279D6D = 1B824B1C07BF8C6200279D6D;
-			1B824B1D07BF8C6200279D6D = 1B824B1D07BF8C6200279D6D;
-			1B824B1E07BF8C6200279D6D = 1B824B1E07BF8C6200279D6D;
-			1B824B1F07BF8C6200279D6D = 1B824B1F07BF8C6200279D6D;
-			1B824B2007BF8C6200279D6D = 1B824B2007BF8C6200279D6D;
-			1B824B2107BF8C6200279D6D = 1B824B2107BF8C6200279D6D;
-			1B824B2207BF8C6200279D6D = 1B824B2207BF8C6200279D6D;
-			1B824B2307BF8C6200279D6D = 1B824B2307BF8C6200279D6D;
-			1B824B2407BF8C6200279D6D = 1B824B2407BF8C6200279D6D;
-			1B824B2507BF8C6200279D6D = 1B824B2507BF8C6200279D6D;
-			1B824B2607BF8C6200279D6D = 1B824B2607BF8C6200279D6D;
-			1B824B2707BF8C6200279D6D = 1B824B2707BF8C6200279D6D;
-			1B824B2807BF8C6200279D6D = 1B824B2807BF8C6200279D6D;
-			1B824B2907BF8C6200279D6D = 1B824B2907BF8C6200279D6D;
-			1B824B2A07BF8C6200279D6D = 1B824B2A07BF8C6200279D6D;
-			1B824B2B07BF8C6200279D6D = 1B824B2B07BF8C6200279D6D;
-			1B824B2C07BF8C6200279D6D = 1B824B2C07BF8C6200279D6D;
-			1B824B2D07BF8C6200279D6D = 1B824B2D07BF8C6200279D6D;
-			1B824B2E07BF8C6200279D6D = 1B824B2E07BF8C6200279D6D;
-			1B824B2F07BF8C6200279D6D = 1B824B2F07BF8C6200279D6D;
-			1B824B3007BF8C6200279D6D = 1B824B3007BF8C6200279D6D;
-			1B824B3107BF8C6200279D6D = 1B824B3107BF8C6200279D6D;
-			1B824B3207BF8C6C00279D6D = 1B824B3207BF8C6C00279D6D;
-			1BADE91E07BC0E6C0020BE61 = 1BADE91E07BC0E6C0020BE61;
-			1BC8F14907B8301200987A06 = 1BC8F14907B8301200987A06;
-			1BD2F3F207B74F230022B69D = 1BD2F3F207B74F230022B69D;
-			1BD2F3F507B74F230022B69D = 1BD2F3F507B74F230022B69D;
-			1BD2F45307B829610022B69D = 1BD2F45307B829610022B69D;
-		};
-		sourceControlManager = 1B30E57E07AEA99900363386;
-		userBuildSettings = {
-		};
-	};
-	2A37F4BAFDCFA73011CA2CEA = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {650, 480}}";
-			sepNavSelRange = "{1, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 480}}";
-		};
-	};
-	8D15AC270486D014006FF6A4 = {
-		activeExec = 0;
-		executables = (
-			1B30E57307AEA98F00363386,
-		);
-	};
-	8D15AC360486D014006FF6A4 = {
-		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {797, 672}}";
-			sepNavSelRange = "{688, 0}";
-			sepNavVisRect = "{{0, 0}, {650, 465}}";
-			sepNavWindowFrame = "{{79, 294}, {750, 558}}";
-		};
-	};
-}
diff --git a/LeanCalc.xcode/project.pbxproj b/LeanCalc.xcode/project.pbxproj
deleted file mode 100644
index 7f6f4f1..0000000
--- a/LeanCalc.xcode/project.pbxproj
+++ /dev/null
@@ -1,660 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 39;
-	objects = {
-		089C165FFE840EACC02AAC07 = {
-			children = (
-				089C1660FE840EACC02AAC07,
-			);
-			isa = PBXVariantGroup;
-			name = InfoPlist.strings;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		089C1660FE840EACC02AAC07 = {
-			fileEncoding = 10;
-			isa = PBXFileReference;
-			lastKnownFileType = text.plist.strings;
-			name = English;
-			path = English.lproj/InfoPlist.strings;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-//080
-//081
-//082
-//083
-//084
-//100
-//101
-//102
-//103
-//104
-		1058C7A6FEA54F5311CA2CBB = {
-			children = (
-				1BFAB21207AED78500C841BA,
-				1BFAB26607AEE8C900C841BA,
-				1058C7A7FEA54F5311CA2CBB,
-			);
-			isa = PBXGroup;
-			name = "Linked Frameworks";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1058C7A7FEA54F5311CA2CBB = {
-			isa = PBXFileReference;
-			lastKnownFileType = wrapper.framework;
-			name = Cocoa.framework;
-			path = /System/Library/Frameworks/Cocoa.framework;
-			refType = 0;
-			sourceTree = "<absolute>";
-		};
-		1058C7A8FEA54F5311CA2CBB = {
-			children = (
-				2A37F4C5FDCFA73011CA2CEA,
-				2A37F4C4FDCFA73011CA2CEA,
-			);
-			isa = PBXGroup;
-			name = "Other Frameworks";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-//100
-//101
-//102
-//103
-//104
-//190
-//191
-//192
-//193
-//194
-		19C28FB0FE9D524F11CA2CBB = {
-			children = (
-				8D15AC370486D014006FF6A4,
-			);
-			isa = PBXGroup;
-			name = Products;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-//190
-//191
-//192
-//193
-//194
-//1B0
-//1B1
-//1B2
-//1B3
-//1B4
-		1B8243BC07BF863600279D6D = {
-			isa = PBXFileReference;
-			lastKnownFileType = image.icns;
-			name = Calculations.icns;
-			path = "Icon Artwork/Calculations.icns";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243BD07BF863600279D6D = {
-			isa = PBXFileReference;
-			lastKnownFileType = image.icns;
-			name = LeanCalc.icns;
-			path = "Icon Artwork/LeanCalc.icns";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243BE07BF863600279D6D = {
-			fileRef = 1B8243BC07BF863600279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243BF07BF863600279D6D = {
-			fileRef = 1B8243BD07BF863600279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243C807BF866200279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.objc;
-			name = main.m;
-			path = Sources/main.m;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243CA07BF866200279D6D = {
-			fileRef = 1B8243C807BF866200279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243CD07BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.h;
-			name = AppDelegate.h;
-			path = Sources/AppDelegate.h;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243CE07BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.objc;
-			name = AppDelegate.m;
-			path = Sources/AppDelegate.m;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243CF07BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.h;
-			name = Calculation.h;
-			path = Sources/Calculation.h;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D007BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.objc;
-			name = Calculation.m;
-			path = Sources/Calculation.m;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D107BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.h;
-			name = CmdKeyInterceptApplication.h;
-			path = Sources/CmdKeyInterceptApplication.h;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D207BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.objc;
-			name = CmdKeyInterceptApplication.m;
-			path = Sources/CmdKeyInterceptApplication.m;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D307BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.h;
-			name = MyDocument.h;
-			path = Sources/MyDocument.h;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D407BF867300279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.objc;
-			name = MyDocument.m;
-			path = Sources/MyDocument.m;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B8243D507BF867300279D6D = {
-			fileRef = 1B8243CD07BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243D607BF867300279D6D = {
-			fileRef = 1B8243CE07BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243D707BF867300279D6D = {
-			fileRef = 1B8243CF07BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243D807BF867300279D6D = {
-			fileRef = 1B8243D007BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243D907BF867300279D6D = {
-			fileRef = 1B8243D107BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243DA07BF867300279D6D = {
-			fileRef = 1B8243D207BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243DB07BF867300279D6D = {
-			fileRef = 1B8243D307BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B8243DC07BF867300279D6D = {
-			fileRef = 1B8243D407BF867300279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1B82477B07BF8A3100279D6D = {
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			isa = PBXShellScriptBuildPhase;
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "ranlib calc/*.a";
-		};
-		1B82478707BF8A7000279D6D = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.h;
-			path = LeanCalc_Prefix.pch;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1B82478807BF8A7000279D6D = {
-			fileRef = 1B82478707BF8A7000279D6D;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1BC8F40907B8A3F700987A06 = {
-			buildActionMask = 2147483647;
-			dstPath = "";
-			dstSubfolderSpec = 7;
-			files = (
-				1BC8F6E107B9782800987A06,
-			);
-			isa = PBXCopyFilesBuildPhase;
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-		1BC8F59807B9780900987A06 = {
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			path = help;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1BC8F6E107B9782800987A06 = {
-			fileRef = 1BC8F59807B9780900987A06;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1BFAB21207AED78500C841BA = {
-			isa = PBXFileReference;
-			lastKnownFileType = archive.ar;
-			name = libcalc.a;
-			path = Calc/libcalc.a;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1BFAB21307AED78500C841BA = {
-			fileRef = 1BFAB21207AED78500C841BA;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		1BFAB26607AEE8C900C841BA = {
-			isa = PBXFileReference;
-			lastKnownFileType = archive.ar;
-			name = libcustcalc.a;
-			path = Calc/libcustcalc.a;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		1BFAB26707AEE8C900C841BA = {
-			fileRef = 1BFAB26607AEE8C900C841BA;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-//1B0
-//1B1
-//1B2
-//1B3
-//1B4
-//2A0
-//2A1
-//2A2
-//2A3
-//2A4
-		2A37F4A9FDCFA73011CA2CEA = {
-			buildSettings = {
-			};
-			buildStyles = (
-				4A9504D0FFE6A4CB11CA0CBA,
-				4A9504D1FFE6A4CB11CA0CBA,
-			);
-			hasScannedForEncodings = 1;
-			isa = PBXProject;
-			mainGroup = 2A37F4AAFDCFA73011CA2CEA;
-			projectDirPath = "";
-			targets = (
-				8D15AC270486D014006FF6A4,
-			);
-		};
-		2A37F4AAFDCFA73011CA2CEA = {
-			children = (
-				2A37F4ABFDCFA73011CA2CEA,
-				2A37F4AFFDCFA73011CA2CEA,
-				2A37F4B8FDCFA73011CA2CEA,
-				2A37F4C3FDCFA73011CA2CEA,
-				19C28FB0FE9D524F11CA2CBB,
-			);
-			isa = PBXGroup;
-			name = LeanCalc;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4ABFDCFA73011CA2CEA = {
-			children = (
-				1B8243CD07BF867300279D6D,
-				1B8243CE07BF867300279D6D,
-				1B8243CF07BF867300279D6D,
-				1B8243D007BF867300279D6D,
-				1B8243D107BF867300279D6D,
-				1B8243D207BF867300279D6D,
-				1B8243D307BF867300279D6D,
-				1B8243D407BF867300279D6D,
-			);
-			isa = PBXGroup;
-			name = Classes;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4AFFDCFA73011CA2CEA = {
-			children = (
-				1B8243C807BF866200279D6D,
-				1B82478707BF8A7000279D6D,
-			);
-			isa = PBXGroup;
-			name = "Other Sources";
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B4FDCFA73011CA2CEA = {
-			children = (
-				2A37F4B5FDCFA73011CA2CEA,
-			);
-			isa = PBXVariantGroup;
-			name = MyDocument.nib;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B5FDCFA73011CA2CEA = {
-			isa = PBXFileReference;
-			lastKnownFileType = wrapper.nib;
-			name = English;
-			path = English.lproj/MyDocument.nib;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B6FDCFA73011CA2CEA = {
-			children = (
-				2A37F4B7FDCFA73011CA2CEA,
-			);
-			isa = PBXVariantGroup;
-			name = MainMenu.nib;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B7FDCFA73011CA2CEA = {
-			isa = PBXFileReference;
-			lastKnownFileType = wrapper.nib;
-			name = English;
-			path = English.lproj/MainMenu.nib;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B8FDCFA73011CA2CEA = {
-			children = (
-				1B8243BC07BF863600279D6D,
-				1B8243BD07BF863600279D6D,
-				1BC8F59807B9780900987A06,
-				2A37F4B9FDCFA73011CA2CEA,
-				2A37F4B6FDCFA73011CA2CEA,
-				2A37F4B4FDCFA73011CA2CEA,
-				8D15AC360486D014006FF6A4,
-				089C165FFE840EACC02AAC07,
-			);
-			isa = PBXGroup;
-			name = Resources;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4B9FDCFA73011CA2CEA = {
-			children = (
-				2A37F4BAFDCFA73011CA2CEA,
-			);
-			isa = PBXVariantGroup;
-			name = Credits.rtf;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4BAFDCFA73011CA2CEA = {
-			isa = PBXFileReference;
-			lastKnownFileType = text.rtf;
-			name = English;
-			path = English.lproj/Credits.rtf;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4C3FDCFA73011CA2CEA = {
-			children = (
-				1058C7A6FEA54F5311CA2CBB,
-				1058C7A8FEA54F5311CA2CBB,
-			);
-			isa = PBXGroup;
-			name = Frameworks;
-			path = "";
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		2A37F4C4FDCFA73011CA2CEA = {
-			isa = PBXFileReference;
-			lastKnownFileType = wrapper.framework;
-			name = AppKit.framework;
-			path = /System/Library/Frameworks/AppKit.framework;
-			refType = 0;
-			sourceTree = "<absolute>";
-		};
-		2A37F4C5FDCFA73011CA2CEA = {
-			isa = PBXFileReference;
-			lastKnownFileType = wrapper.framework;
-			name = Foundation.framework;
-			path = /System/Library/Frameworks/Foundation.framework;
-			refType = 0;
-			sourceTree = "<absolute>";
-		};
-//2A0
-//2A1
-//2A2
-//2A3
-//2A4
-//4A0
-//4A1
-//4A2
-//4A3
-//4A4
-		4A9504D0FFE6A4CB11CA0CBA = {
-			buildSettings = {
-				COPY_PHASE_STRIP = NO;
-				GCC_DYNAMIC_NO_PIC = NO;
-				GCC_ENABLE_FIX_AND_CONTINUE = YES;
-				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
-				GCC_OPTIMIZATION_LEVEL = 0;
-				HEADER_SEARCH_PATHS = "Calc Sources";
-				ZERO_LINK = YES;
-			};
-			isa = PBXBuildStyle;
-			name = Development;
-		};
-		4A9504D1FFE6A4CB11CA0CBA = {
-			buildSettings = {
-				COPY_PHASE_STRIP = YES;
-				GCC_ENABLE_FIX_AND_CONTINUE = NO;
-				HEADER_SEARCH_PATHS = "Calc Sources";
-				ZERO_LINK = NO;
-			};
-			isa = PBXBuildStyle;
-			name = Deployment;
-		};
-//4A0
-//4A1
-//4A2
-//4A3
-//4A4
-//8D0
-//8D1
-//8D2
-//8D3
-//8D4
-		8D15AC270486D014006FF6A4 = {
-			buildPhases = (
-				1B82477B07BF8A3100279D6D,
-				8D15AC2B0486D014006FF6A4,
-				8D15AC300486D014006FF6A4,
-				8D15AC330486D014006FF6A4,
-				1BC8F40907B8A3F700987A06,
-			);
-			buildRules = (
-			);
-			buildSettings = {
-				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
-				GCC_PRECOMPILE_PREFIX_HEADER = YES;
-				GCC_PREFIX_HEADER = LeanCalc_Prefix.pch;
-				INFOPLIST_FILE = Info.plist;
-				INSTALL_PATH = "$(HOME)/Applications";
-				LIBRARY_SEARCH_PATHS = calc;
-				PRODUCT_NAME = LeanCalc;
-				WRAPPER_EXTENSION = app;
-			};
-			dependencies = (
-			);
-			isa = PBXNativeTarget;
-			name = LeanCalc;
-			productInstallPath = "$(HOME)/Applications";
-			productName = LeanCalc;
-			productReference = 8D15AC370486D014006FF6A4;
-			productType = "com.apple.product-type.application";
-		};
-		8D15AC2B0486D014006FF6A4 = {
-			buildActionMask = 2147483647;
-			files = (
-				8D15AC2C0486D014006FF6A4,
-				8D15AC2D0486D014006FF6A4,
-				8D15AC2E0486D014006FF6A4,
-				8D15AC2F0486D014006FF6A4,
-				1B8243BE07BF863600279D6D,
-				1B8243BF07BF863600279D6D,
-				1B8243D507BF867300279D6D,
-				1B8243D707BF867300279D6D,
-				1B8243D907BF867300279D6D,
-				1B8243DB07BF867300279D6D,
-				1B82478807BF8A7000279D6D,
-			);
-			isa = PBXResourcesBuildPhase;
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-		8D15AC2C0486D014006FF6A4 = {
-			fileRef = 2A37F4B9FDCFA73011CA2CEA;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		8D15AC2D0486D014006FF6A4 = {
-			fileRef = 2A37F4B6FDCFA73011CA2CEA;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		8D15AC2E0486D014006FF6A4 = {
-			fileRef = 2A37F4B4FDCFA73011CA2CEA;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		8D15AC2F0486D014006FF6A4 = {
-			fileRef = 089C165FFE840EACC02AAC07;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		8D15AC300486D014006FF6A4 = {
-			buildActionMask = 2147483647;
-			files = (
-				1B8243CA07BF866200279D6D,
-				1B8243D607BF867300279D6D,
-				1B8243D807BF867300279D6D,
-				1B8243DA07BF867300279D6D,
-				1B8243DC07BF867300279D6D,
-			);
-			isa = PBXSourcesBuildPhase;
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-		8D15AC330486D014006FF6A4 = {
-			buildActionMask = 2147483647;
-			files = (
-				8D15AC340486D014006FF6A4,
-				1BFAB21307AED78500C841BA,
-				1BFAB26707AEE8C900C841BA,
-			);
-			isa = PBXFrameworksBuildPhase;
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-		8D15AC340486D014006FF6A4 = {
-			fileRef = 1058C7A7FEA54F5311CA2CBB;
-			isa = PBXBuildFile;
-			settings = {
-			};
-		};
-		8D15AC360486D014006FF6A4 = {
-			fileEncoding = 4;
-			isa = PBXFileReference;
-			lastKnownFileType = text.plist;
-			path = Info.plist;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		8D15AC370486D014006FF6A4 = {
-			explicitFileType = wrapper.application;
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			path = LeanCalc.app;
-			refType = 3;
-			sourceTree = BUILT_PRODUCTS_DIR;
-		};
-	};
-	rootObject = 2A37F4A9FDCFA73011CA2CEA;
-}
diff --git a/LeanCalc.xcode/liyanage.mode1 b/LeanCalc.xcodeproj/liyanage.mode1
similarity index 97%
copy from LeanCalc.xcode/liyanage.mode1
copy to LeanCalc.xcodeproj/liyanage.mode1
index 934baf0..7ccc0ba 100644
--- a/LeanCalc.xcode/liyanage.mode1
+++ b/LeanCalc.xcodeproj/liyanage.mode1
@@ -224,8 +224,6 @@
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>BecomeActive</key>
-					<true/>
 					<key>ContentConfiguration</key>
 					<dict>
 						<key>PBXBottomSmartGroupGIDs</key>
@@ -321,7 +319,7 @@
 										<key>PBXProjectModuleLabel</key>
 										<string>MyDocument.m</string>
 										<key>bookmark</key>
-										<string>1B824B3207BF8C6C00279D6D</string>
+										<string>1BA7A28307F1C99800CA930F</string>
 										<key>history</key>
 										<array>
 											<string>1BD2F3F207B74F230022B69D</string>
@@ -333,13 +331,13 @@
 											<string>1B82478907BF8A7600279D6D</string>
 											<string>1B824B1C07BF8C6200279D6D</string>
 											<string>1B824B1D07BF8C6200279D6D</string>
-											<string>1B824B1E07BF8C6200279D6D</string>
 											<string>1B824B1F07BF8C6200279D6D</string>
 											<string>1B824B2007BF8C6200279D6D</string>
 											<string>1B824B2107BF8C6200279D6D</string>
 											<string>1B824B2207BF8C6200279D6D</string>
-											<string>1B824B2307BF8C6200279D6D</string>
-											<string>1B824B2407BF8C6200279D6D</string>
+											<string>1BA7A27F07F1C99800CA930F</string>
+											<string>1BA7A28007F1C99800CA930F</string>
+											<string>1BA7A27B07F1C92E00CA930F</string>
 										</array>
 										<key>prevStack</key>
 										<array>
@@ -352,7 +350,6 @@
 											<string>1B8243E307BF86BE00279D6D</string>
 											<string>1B82478B07BF8A7600279D6D</string>
 											<string>1B824B2507BF8C6200279D6D</string>
-											<string>1B824B2607BF8C6200279D6D</string>
 											<string>1B824B2707BF8C6200279D6D</string>
 											<string>1B824B2807BF8C6200279D6D</string>
 											<string>1B824B2907BF8C6200279D6D</string>
@@ -360,9 +357,9 @@
 											<string>1B824B2B07BF8C6200279D6D</string>
 											<string>1B824B2C07BF8C6200279D6D</string>
 											<string>1B824B2D07BF8C6200279D6D</string>
-											<string>1B824B2E07BF8C6200279D6D</string>
-											<string>1B824B2F07BF8C6200279D6D</string>
-											<string>1B824B3007BF8C6200279D6D</string>
+											<string>1BA7A27D07F1C92E00CA930F</string>
+											<string>1BA7A28107F1C99800CA930F</string>
+											<string>1BA7A28207F1C99800CA930F</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -420,9 +417,9 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>1B824B1607BF8B1100279D6D</string>
+				<string>1BA7A27607F1C92B00CA930F</string>
 				<string>1CE0B1FE06471DED0097A5F4</string>
-				<string>1B824B1707BF8B1100279D6D</string>
+				<string>1BA7A27707F1C92B00CA930F</string>
 				<string>1CE0B20306471E060097A5F4</string>
 				<string>1CE0B20506471E060097A5F4</string>
 			</array>
@@ -435,7 +432,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>129993836.59627661</real>
+	<real>133286175.42966303</real>
 	<key>ToolbarDisplayMode</key>
 	<integer>1</integer>
 	<key>ToolbarIsVisible</key>
@@ -450,9 +447,8 @@
 	<integer>5</integer>
 	<key>WindowOrderList</key>
 	<array>
-		<string>1B824B1807BF8B1100279D6D</string>
 		<string>1C0AD2B3069F1EA900FABCE6</string>
-		<string>/Users/liyanage/cvs/entropy/LeanCalc/LeanCalc.xcode</string>
+		<string>/Users/liyanage/svn/entropy/LeanCalc/LeanCalc.xcode</string>
 	</array>
 	<key>WindowString</key>
 	<string>78 157 900 694 0 0 1440 878 </string>
@@ -851,8 +847,8 @@
 										<string>yes</string>
 										<key>sizes</key>
 										<array>
-											<string>{{0, 0}, {366, 167}}</string>
-											<string>{{0, 176}, {366, 267}}</string>
+											<string>{{0, 0}, {491, 167}}</string>
+											<string>{{0, 176}, {491, 267}}</string>
 										</array>
 									</dict>
 									<key>VerticalSplitView</key>
@@ -901,9 +897,9 @@
 			<key>TableOfContents</key>
 			<array>
 				<string>1C0AD2B3069F1EA900FABCE6</string>
-				<string>1B824B1A07BF8B1100279D6D</string>
+				<string>1BA7A27807F1C92B00CA930F</string>
 				<string>1CD0528B0623707200166675</string>
-				<string>1B824B1B07BF8B1100279D6D</string>
+				<string>1BA7A27907F1C92B00CA930F</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.run</string>
diff --git a/LeanCalc.xcodeproj/liyanage.pbxuser b/LeanCalc.xcodeproj/liyanage.pbxuser
new file mode 100644
index 0000000..c516641
--- /dev/null
+++ b/LeanCalc.xcodeproj/liyanage.pbxuser
@@ -0,0 +1,962 @@
+// !$*UTF8*$!
+{
+	089C1660FE840EACC02AAC07 /* English */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {728, 91}}";
+			sepNavSelRange = "{255, 0}";
+			sepNavVisRect = "{{0, 1}, {728, 77}}";
+		};
+	};
+	1B30E57307AEA98F00363386 /* LeanCalc */ = {
+		isa = PBXExecutable;
+		activeArgIndex = 2147483647;
+		activeArgIndices = (
+		);
+		argumentStrings = (
+		);
+		autoAttachOnCrash = 1;
+		configStateDict = {
+		};
+		customDataFormattersEnabled = 1;
+		debuggerPlugin = GDBDebugging;
+		disassemblyDisplayState = 0;
+		dylibVariantSuffix = "";
+		enableDebugStr = 1;
+		environmentEntries = (
+		);
+		executableSystemSymbolLevel = 0;
+		executableUserSymbolLevel = 0;
+		libgmallocEnabled = 0;
+		name = LeanCalc;
+		savedGlobals = {
+		};
+		sourceDirectories = (
+		);
+	};
+	1B30E57E07AEA99900363386 /* Source Control */ = {
+		isa = PBXSourceControlManager;
+		fallbackIsa = XCSourceControlManager;
+		isSCMEnabled = 0;
+		scmConfiguration = {
+		};
+		scmType = "";
+	};
+	1B30E57F07AEA99900363386 /* Code sense */ = {
+		isa = PBXCodeSenseManager;
+		indexTemplatePath = "";
+	};
+	1B8243C807BF866200279D6D /* main.m */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
+			sepNavSelRange = "{0, 0}";
+			sepNavVisRect = "{{0, 0}, {650, 465}}";
+		};
+	};
+	1B8243CD07BF867300279D6D /* AppDelegate.h */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
+			sepNavSelRange = "{204, 0}";
+			sepNavVisRect = "{{0, 0}, {650, 465}}";
+		};
+	};
+	1B8243CE07BF867300279D6D /* AppDelegate.m */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {758, 949}}";
+			sepNavSelRange = "{524, 0}";
+			sepNavVisRect = "{{0, 0}, {727, 406}}";
+		};
+	};
+	1B8243CF07BF867300279D6D /* Calculation.h */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {727, 406}}";
+			sepNavSelRange = "{0, 0}";
+			sepNavVisRect = "{{0, 0}, {727, 406}}";
+		};
+	};
+	1B8243D007BF867300279D6D /* Calculation.m */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {914, 1638}}";
+			sepNavSelRange = "{712, 0}";
+			sepNavVisRect = "{{0, 103}, {727, 406}}";
+		};
+	};
+	1B8243D107BF867300279D6D /* CmdKeyInterceptApplication.h */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
+			sepNavSelRange = "{239, 0}";
+			sepNavVisRect = "{{0, 0}, {650, 465}}";
+		};
+	};
+	1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {728, 507}}";
+			sepNavSelRange = "{567, 0}";
+			sepNavVisRect = "{{0, 325}, {728, 77}}";
+		};
+	};
+	1B8243D307BF867300279D6D /* MyDocument.h */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {727, 406}}";
+			sepNavSelRange = "{484, 0}";
+			sepNavVisRect = "{{0, 0}, {727, 406}}";
+		};
+	};
+	1B8243D407BF867300279D6D /* MyDocument.m */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {1076, 1651}}";
+			sepNavSelRange = "{1196, 0}";
+			sepNavVisRect = "{{0, 891}, {728, 77}}";
+		};
+	};
+	1B82478707BF8A7000279D6D /* LeanCalc_Prefix.pch */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {650, 465}}";
+			sepNavSelRange = "{132, 0}";
+			sepNavVisRect = "{{0, 0}, {650, 465}}";
+		};
+	};
+	1BCC419009F8D82800F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8D15AC360486D014006FF6A4 /* Info.plist */;
+		name = "Info.plist: 41";
+		rLen = 0;
+		rLoc = 1131;
+		rType = 0;
+		vrLen = 635;
+		vrLoc = 559;
+	};
+	1BCC419209F8D82800F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8D15AC360486D014006FF6A4 /* Info.plist */;
+		name = "Info.plist: 41";
+		rLen = 0;
+		rLoc = 1131;
+		rType = 0;
+		vrLen = 655;
+		vrLoc = 0;
+	};
+	1BCC419309F8D82800F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 089C1660FE840EACC02AAC07 /* English */;
+		name = "English: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 124;
+		vrLoc = 0;
+	};
+	1BCC419409F8D82800F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8D15AC360486D014006FF6A4 /* Info.plist */;
+		name = "Info.plist: 41";
+		rLen = 0;
+		rLoc = 1131;
+		rType = 0;
+		vrLen = 635;
+		vrLoc = 559;
+	};
+	1BCC41AF09F8D8E100F1AC9F /* XCBreakpointsBucket */ = {
+		isa = XCBreakpointsBucket;
+		name = "Project Breakpoints";
+		objects = (
+		);
+	};
+	1BCC41BE09F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 089C1660FE840EACC02AAC07 /* English */;
+		name = "English: 7";
+		rLen = 0;
+		rLoc = 255;
+		rType = 0;
+		vrLen = 255;
+		vrLoc = 0;
+	};
+	1BCC41BF09F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */;
+		name = "AppDelegate.m: 30";
+		rLen = 0;
+		rLoc = 524;
+		rType = 0;
+		vrLen = 652;
+		vrLoc = 0;
+	};
+	1BCC41C009F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 6";
+		rLen = 0;
+		rLoc = 100;
+		rType = 0;
+		vrLen = 634;
+		vrLoc = 0;
+	};
+	1BCC41C309F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 089C1660FE840EACC02AAC07 /* English */;
+		name = "English: 7";
+		rLen = 0;
+		rLoc = 255;
+		rType = 0;
+		vrLen = 255;
+		vrLoc = 0;
+	};
+	1BCC41C409F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */;
+		name = "AppDelegate.m: 30";
+		rLen = 0;
+		rLoc = 524;
+		rType = 0;
+		vrLen = 652;
+		vrLoc = 0;
+	};
+	1BCC41C509F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 6";
+		rLen = 0;
+		rLoc = 100;
+		rType = 0;
+		vrLen = 634;
+		vrLoc = 0;
+	};
+	1BCC41C609F8D96A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 6";
+		rLen = 0;
+		rLoc = 111;
+		rType = 0;
+		vrLen = 684;
+		vrLoc = 0;
+	};
+	1BCC41C909F8D96C00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 089C1660FE840EACC02AAC07 /* English */;
+		name = "English: 7";
+		rLen = 0;
+		rLoc = 255;
+		rType = 0;
+		vrLen = 211;
+		vrLoc = 44;
+	};
+	1BCC41D109F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC41D309F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "[super dealloc];";
+		rLen = 18;
+		rLoc = 418;
+		rType = 0;
+		vrLen = 925;
+		vrLoc = 1156;
+	};
+	1BCC41D409F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: commit:";
+		rLen = 0;
+		rLoc = 374;
+		rType = 0;
+		vrLen = 491;
+		vrLoc = 0;
+	};
+	1BCC41D509F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "[super dealloc];";
+		rLen = 18;
+		rLoc = 418;
+		rType = 0;
+		vrLen = 960;
+		vrLoc = 1121;
+	};
+	1BCC41D609F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: commit:";
+		rLen = 0;
+		rLoc = 374;
+		rType = 0;
+		vrLen = 491;
+		vrLoc = 0;
+	};
+	1BCC41D709F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 82";
+		rLen = 0;
+		rLoc = 1420;
+		rType = 0;
+		vrLen = 949;
+		vrLoc = 1071;
+	};
+	1BCC41D809F8DA0D00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC420E09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CF07BF867300279D6D /* Calculation.h */;
+		name = "Calculation.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 418;
+		vrLoc = 0;
+	};
+	1BCC421209F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC421409F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 15";
+		rLen = 0;
+		rLoc = 190;
+		rType = 0;
+		vrLen = 381;
+		vrLoc = 143;
+	};
+	1BCC421509F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC421609F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 15";
+		rLen = 0;
+		rLoc = 190;
+		rType = 0;
+		vrLen = 381;
+		vrLoc = 143;
+	};
+	1BCC421709F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC421809F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 73";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 1020;
+		vrLoc = 1069;
+	};
+	1BCC421909F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 6";
+		rLen = 0;
+		rLoc = 100;
+		rType = 0;
+		vrLen = 634;
+		vrLoc = 0;
+	};
+	1BCC421A09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CF07BF867300279D6D /* Calculation.h */;
+		name = "Calculation.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 418;
+		vrLoc = 0;
+	};
+	1BCC421B09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 551;
+		vrLoc = 167;
+	};
+	1BCC421C09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CF07BF867300279D6D /* Calculation.h */;
+		name = "Calculation.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 418;
+		vrLoc = 0;
+	};
+	1BCC421D09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 552;
+		vrLoc = 166;
+	};
+	1BCC421E09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CF07BF867300279D6D /* Calculation.h */;
+		name = "Calculation.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 418;
+		vrLoc = 0;
+	};
+	1BCC421F09F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 551;
+		vrLoc = 166;
+	};
+	1BCC422009F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 6";
+		rLen = 0;
+		rLoc = 111;
+		rType = 0;
+		vrLen = 684;
+		vrLoc = 0;
+	};
+	1BCC422109F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */;
+		name = "AppDelegate.m: 30";
+		rLen = 0;
+		rLoc = 524;
+		rType = 0;
+		vrLen = 652;
+		vrLoc = 0;
+	};
+	1BCC422209F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 71";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 919;
+		vrLoc = 1069;
+	};
+	1BCC422309F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 574;
+		vrLoc = 142;
+	};
+	1BCC422409F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 71";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 919;
+		vrLoc = 1069;
+	};
+	1BCC422509F8DF9A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D307BF867300279D6D /* MyDocument.h */;
+		name = "MyDocument.h: insertPrevious:";
+		rLen = 0;
+		rLoc = 484;
+		rType = 0;
+		vrLen = 499;
+		vrLoc = 0;
+	};
+	1BCC423709F8E17E00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 72";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 753;
+		vrLoc = 878;
+	};
+	1BCC423D09F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 575;
+		vrLoc = 141;
+	};
+	1BCC423E09F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 72";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 752;
+		vrLoc = 878;
+	};
+	1BCC423F09F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */;
+		name = "AppDelegate.m: 30";
+		rLen = 0;
+		rLoc = 524;
+		rType = 0;
+		vrLen = 652;
+		vrLoc = 0;
+	};
+	1BCC424109F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 6";
+		rLen = 0;
+		rLoc = 111;
+		rType = 0;
+		vrLen = 632;
+		vrLoc = 153;
+	};
+	1BCC424209F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D007BF867300279D6D /* Calculation.m */;
+		name = "Calculation.m: 38";
+		rLen = 0;
+		rLoc = 712;
+		rType = 0;
+		vrLen = 575;
+		vrLoc = 141;
+	};
+	1BCC424309F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 72";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 752;
+		vrLoc = 878;
+	};
+	1BCC424409F8E24A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */;
+		name = "AppDelegate.m: 30";
+		rLen = 0;
+		rLoc = 524;
+		rType = 0;
+		vrLen = 652;
+		vrLoc = 0;
+	};
+	1BCC424709F8E25700F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D407BF867300279D6D /* MyDocument.m */;
+		name = "MyDocument.m: 72";
+		rLen = 0;
+		rLoc = 1196;
+		rType = 0;
+		vrLen = 250;
+		vrLoc = 1091;
+	};
+	1BCC425409F8E30E00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 16";
+		rLen = 0;
+		rLoc = 281;
+		rType = 0;
+		vrLen = 147;
+		vrLoc = 584;
+	};
+	1BCC425809F8E31A00F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 27";
+		rLen = 0;
+		rLoc = 567;
+		rType = 0;
+		vrLen = 629;
+		vrLoc = 156;
+	};
+	1BCC425B09F8E32100F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 27";
+		rLen = 0;
+		rLoc = 567;
+		rType = 0;
+		vrLen = 629;
+		vrLoc = 156;
+	};
+	1BCC425C09F8E32100F1AC9F /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */;
+		name = "CmdKeyInterceptApplication.m: 27";
+		rLen = 0;
+		rLoc = 567;
+		rType = 0;
+		vrLen = 117;
+		vrLoc = 564;
+	};
+	2A37F4A9FDCFA73011CA2CEA /* Project object */ = {
+		activeBuildConfigurationName = Deployment;
+		activeBuildStyle = 4A9504D0FFE6A4CB11CA0CBA /* Development */;
+		activeExecutable = 1B30E57307AEA98F00363386 /* LeanCalc */;
+		activeTarget = 8D15AC270486D014006FF6A4 /* LeanCalc */;
+		addToTargets = (
+			8D15AC270486D014006FF6A4 /* LeanCalc */,
+		);
+		breakpoints = (
+		);
+		breakpointsGroup = 1BCC41AF09F8D8E100F1AC9F /* XCBreakpointsBucket */;
+		codeSenseManager = 1B30E57F07AEA99900363386 /* Code sense */;
+		executables = (
+			1B30E57307AEA98F00363386 /* LeanCalc */,
+		);
+		perUserDictionary = {
+			PBXConfiguration.PBXFileTableDataSource3.PBXFileTableDataSource = {
+				PBXFileTableDataSourceColumnSortingDirectionKey = "-1";
+				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
+				PBXFileTableDataSourceColumnWidthsKey = (
+					20,
+					334,
+					20,
+					78,
+					43,
+					43,
+					20,
+				);
+				PBXFileTableDataSourceColumnsKey = (
+					PBXFileDataSource_FiletypeID,
+					PBXFileDataSource_Filename_ColumnID,
+					PBXFileDataSource_Built_ColumnID,
+					PBXFileDataSource_ObjectSize_ColumnID,
+					PBXFileDataSource_Errors_ColumnID,
+					PBXFileDataSource_Warnings_ColumnID,
+					PBXFileDataSource_Target_ColumnID,
+				);
+			};
+			PBXConfiguration.PBXTargetDataSource.PBXTargetDataSource = {
+				PBXFileTableDataSourceColumnSortingDirectionKey = "-1";
+				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
+				PBXFileTableDataSourceColumnWidthsKey = (
+					20,
+					360,
+					157,
+					20,
+					80,
+					43,
+					43,
+				);
+				PBXFileTableDataSourceColumnsKey = (
+					PBXFileDataSource_FiletypeID,
+					PBXFileDataSource_Filename_ColumnID,
+					PBXTargetDataSource_PrimaryAttribute,
+					PBXFileDataSource_Built_ColumnID,
+					PBXFileDataSource_ObjectSize_ColumnID,
+					PBXFileDataSource_Errors_ColumnID,
+					PBXFileDataSource_Warnings_ColumnID,
+				);
+			};
+			PBXPerProjectTemplateStateSaveDate = 167301316;
+			PBXPrepackagedSmartGroups_v2 = (
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					activationKey = OldTargetSmartGroup;
+					clz = PBXTargetSmartGroup;
+					description = "Displays all targets of the project.";
+					globalID = 1C37FABC04509CD000000102;
+					name = Targets;
+					preferences = {
+						image = Targets;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXTargetSmartGroup2;
+					description = "Displays all targets of the project as well as nested build phases.";
+					globalID = 1C37FBAC04509CD000000102;
+					name = Targets;
+					preferences = {
+						image = Targets;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXExecutablesSmartGroup;
+					description = "Displays all executables of the project.";
+					globalID = 1C37FAAC04509CD000000102;
+					name = Executables;
+					preferences = {
+						image = Executable;
+					};
+				},
+				{
+					" PBXTransientLocationAtTop " = bottom;
+					absolutePathToBundle = "";
+					clz = PBXErrorsWarningsSmartGroup;
+					description = "Displays files with errors or warnings.";
+					globalID = 1C08E77C0454961000C914BD;
+					name = "Errors and Warnings";
+					preferences = {
+						fnmatch = "";
+						image = WarningsErrors;
+						recursive = 1;
+						regex = "";
+						root = "<PROJECT>";
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXFilenameSmartGroup;
+					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
+					globalID = 1CC0EA4004350EF90044410B;
+					name = "Implementation Files";
+					preferences = {
+						canSave = 1;
+						fnmatch = "";
+						image = SmartFolder;
+						isLeaf = 0;
+						recursive = 1;
+						regex = "?*\\.[mcMC]";
+						root = "<PROJECT>";
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXFilenameSmartGroup;
+					description = "This group displays Interface Builder NIB Files.";
+					globalID = 1CC0EA4004350EF90041110B;
+					name = "NIB Files";
+					preferences = {
+						canSave = 1;
+						fnmatch = "*.nib";
+						image = SmartFolder;
+						isLeaf = 0;
+						recursive = 1;
+						regex = "";
+						root = "<PROJECT>";
+					};
+				},
+				{
+					PBXTransientLocationAtTop = no;
+					absolutePathToBundle = "";
+					clz = PBXFindSmartGroup;
+					description = "Displays Find Results.";
+					globalID = 1C37FABC05509CD000000102;
+					name = "Find Results";
+					preferences = {
+						image = spyglass;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = no;
+					absolutePathToBundle = "";
+					clz = PBXBookmarksSmartGroup;
+					description = "Displays Project Bookmarks.";
+					globalID = 1C37FABC05539CD112110102;
+					name = Bookmarks;
+					preferences = {
+						image = Bookmarks;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = XCSCMSmartGroup;
+					description = "Displays files with interesting SCM status.";
+					globalID = E2644B35053B69B200211256;
+					name = SCM;
+					preferences = {
+						image = PBXRepository;
+						isLeaf = 0;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXSymbolsSmartGroup;
+					description = "Displays all symbols for the project.";
+					globalID = 1C37FABC04509CD000100104;
+					name = "Project Symbols";
+					preferences = {
+						image = ProjectSymbols;
+						isLeaf = 1;
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXFilenameSmartGroup;
+					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
+					globalID = PBXTemplateMarker;
+					name = "Simple Filter SmartGroup";
+					preferences = {
+						canSave = 1;
+						fnmatch = "*.nib";
+						image = SmartFolder;
+						isLeaf = 0;
+						recursive = 1;
+						regex = "";
+						root = "<PROJECT>";
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					absolutePathToBundle = "";
+					clz = PBXFilenameSmartGroup;
+					description = "Filters items in a given group (potentially recursively) based on matching the name with the regular expression of the filter.";
+					globalID = PBXTemplateMarker;
+					name = "Simple Regular Expression SmartGroup";
+					preferences = {
+						canSave = 1;
+						fnmatch = "";
+						image = SmartFolder;
+						isLeaf = 0;
+						recursive = 1;
+						regex = "?*\\.[mcMC]";
+						root = "<PROJECT>";
+					};
+				},
+				{
+					PBXTransientLocationAtTop = bottom;
+					clz = XDDesignSmartGroup;
+					description = "Displays Xdesign models";
+					globalID = 2E4A936305E6979E00701470;
+					name = Design;
+					preferences = {
+						image = Design;
+						isLeaf = 0;
+					};
+				},
+			);
+			PBXWorkspaceStateSaveDate = 167301316;
+		};
+		perUserProjectItems = {
+			1BCC419009F8D82800F1AC9F /* PBXTextBookmark */ = 1BCC419009F8D82800F1AC9F /* PBXTextBookmark */;
+			1BCC419209F8D82800F1AC9F /* PBXTextBookmark */ = 1BCC419209F8D82800F1AC9F /* PBXTextBookmark */;
+			1BCC419309F8D82800F1AC9F /* PBXTextBookmark */ = 1BCC419309F8D82800F1AC9F /* PBXTextBookmark */;
+			1BCC419409F8D82800F1AC9F /* PBXTextBookmark */ = 1BCC419409F8D82800F1AC9F /* PBXTextBookmark */;
+			1BCC41BE09F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41BE09F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41BF09F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41BF09F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C009F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41C009F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C309F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41C309F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C409F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41C409F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C509F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41C509F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C609F8D96A00F1AC9F /* PBXTextBookmark */ = 1BCC41C609F8D96A00F1AC9F /* PBXTextBookmark */;
+			1BCC41C909F8D96C00F1AC9F /* PBXTextBookmark */ = 1BCC41C909F8D96C00F1AC9F /* PBXTextBookmark */;
+			1BCC41D109F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D109F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D309F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D309F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D409F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D409F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D509F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D509F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D609F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D609F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D709F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D709F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC41D809F8DA0D00F1AC9F /* PBXTextBookmark */ = 1BCC41D809F8DA0D00F1AC9F /* PBXTextBookmark */;
+			1BCC420E09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC420E09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421209F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421209F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421409F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421409F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421509F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421509F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421609F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421609F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421709F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421709F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421809F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421809F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421909F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421909F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421A09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421A09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421B09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421B09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421C09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421C09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421D09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421D09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421E09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421E09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC421F09F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC421F09F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422009F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422009F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422109F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422109F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422209F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422209F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422309F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422309F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422409F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422409F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC422509F8DF9A00F1AC9F /* PBXTextBookmark */ = 1BCC422509F8DF9A00F1AC9F /* PBXTextBookmark */;
+			1BCC423709F8E17E00F1AC9F /* PBXTextBookmark */ = 1BCC423709F8E17E00F1AC9F /* PBXTextBookmark */;
+			1BCC423D09F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC423D09F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC423E09F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC423E09F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC423F09F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC423F09F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC424109F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC424109F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC424209F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC424209F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC424309F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC424309F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC424409F8E24A00F1AC9F /* PBXTextBookmark */ = 1BCC424409F8E24A00F1AC9F /* PBXTextBookmark */;
+			1BCC424709F8E25700F1AC9F /* PBXTextBookmark */ = 1BCC424709F8E25700F1AC9F /* PBXTextBookmark */;
+			1BCC425409F8E30E00F1AC9F /* PBXTextBookmark */ = 1BCC425409F8E30E00F1AC9F /* PBXTextBookmark */;
+			1BCC425809F8E31A00F1AC9F /* PBXTextBookmark */ = 1BCC425809F8E31A00F1AC9F /* PBXTextBookmark */;
+			1BCC425B09F8E32100F1AC9F /* PBXTextBookmark */ = 1BCC425B09F8E32100F1AC9F /* PBXTextBookmark */;
+			1BCC425C09F8E32100F1AC9F /* PBXTextBookmark */ = 1BCC425C09F8E32100F1AC9F /* PBXTextBookmark */;
+		};
+		sourceControlManager = 1B30E57E07AEA99900363386 /* Source Control */;
+		userBuildSettings = {
+		};
+	};
+	2A37F4BAFDCFA73011CA2CEA /* English */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {650, 480}}";
+			sepNavSelRange = "{1, 0}";
+			sepNavVisRect = "{{0, 0}, {650, 480}}";
+		};
+	};
+	8D15AC270486D014006FF6A4 /* LeanCalc */ = {
+		activeExec = 0;
+		executables = (
+			1B30E57307AEA98F00363386 /* LeanCalc */,
+		);
+	};
+	8D15AC360486D014006FF6A4 /* Info.plist */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {686, 624}}";
+			sepNavSelRange = "{1131, 0}";
+			sepNavVisRect = "{{0, 252}, {562, 295}}";
+			sepNavWindowFrame = "{{79, 294}, {750, 558}}";
+		};
+	};
+}
diff --git a/LeanCalc.xcode/liyanage.mode1 b/LeanCalc.xcodeproj/liyanage.perspective
similarity index 52%
rename from LeanCalc.xcode/liyanage.mode1
rename to LeanCalc.xcodeproj/liyanage.perspective
index 934baf0..c8500b2 100644
--- a/LeanCalc.xcode/liyanage.mode1
+++ b/LeanCalc.xcodeproj/liyanage.perspective
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>ActivePerspectiveName</key>
-	<string>Project</string>
+	<string>Build</string>
 	<key>AllowedModules</key>
 	<array>
 		<dict>
@@ -158,21 +158,30 @@
 		</dict>
 	</array>
 	<key>Description</key>
-	<string>This workspace mimics that found in Xcode 1.2, with various minor improvements such as including attached editors to the build results window and the project find window.</string>
+	<string>AIODescriptionKey</string>
 	<key>DockingSystemVisible</key>
 	<false/>
 	<key>Extension</key>
-	<string>mode1</string>
+	<string>perspective</string>
+	<key>FavBarConfig</key>
+	<dict>
+		<key>PBXProjectModuleGUID</key>
+		<string>1BCC418109F8D0C800F1AC9F</string>
+		<key>XCBarModuleItemNames</key>
+		<dict/>
+		<key>XCBarModuleItems</key>
+		<array/>
+	</dict>
 	<key>FirstTimeWindowDisplayed</key>
 	<false/>
 	<key>Identifier</key>
-	<string>com.apple.perspectives.project.mode1</string>
+	<string>com.apple.perspectives.project.default</string>
 	<key>MajorVersion</key>
-	<integer>31</integer>
+	<integer>33</integer>
 	<key>MinorVersion</key>
 	<integer>0</integer>
 	<key>Name</key>
-	<string>Default Workspace</string>
+	<string>All-In-One</string>
 	<key>Notifications</key>
 	<array>
 		<dict>
@@ -196,17 +205,24 @@
 	</array>
 	<key>OpenEditors</key>
 	<array/>
+	<key>PerspectiveWidths</key>
+	<array>
+		<integer>975</integer>
+		<integer>975</integer>
+		<integer>975</integer>
+	</array>
 	<key>Perspectives</key>
 	<array>
 		<dict>
 			<key>ChosenToolbarItems</key>
 			<array>
+				<string>XCToolbarPerspectiveControl</string>
+				<string>NSToolbarSeparatorItem</string>
 				<string>active-target-popup</string>
-				<string>action</string>
+				<string>active-buildstyle-popup</string>
 				<string>NSToolbarFlexibleSpaceItem</string>
 				<string>buildOrClean</string>
 				<string>build-and-runOrDebug</string>
-				<string>build-and-debug</string>
 				<string>com.apple.ide.PBXToolbarStopButton</string>
 				<string>get-info</string>
 				<string>toggle-editor</string>
@@ -224,8 +240,6 @@
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>BecomeActive</key>
-					<true/>
 					<key>ContentConfiguration</key>
 					<dict>
 						<key>PBXBottomSmartGroupGIDs</key>
@@ -239,9 +253,10 @@
 							<string>1C37FABC04509CD000100104</string>
 							<string>1CC0EA4004350EF90044410B</string>
 							<string>1CC0EA4004350EF90041110B</string>
+							<string>1C77FABC04509CD000000102</string>
 						</array>
 						<key>PBXProjectModuleGUID</key>
-						<string>1CE0B1FE06471DED0097A5F4</string>
+						<string>1CA23ED40692098700951B8B</string>
 						<key>PBXProjectModuleLabel</key>
 						<string>Files</string>
 						<key>PBXProjectStructureProvided</key>
@@ -250,7 +265,7 @@
 						<dict>
 							<key>PBXSmartGroupTreeModuleColumnWidthsKey</key>
 							<array>
-								<real>186</real>
+								<real>185</real>
 							</array>
 							<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
 							<array>
@@ -261,46 +276,40 @@
 						<dict>
 							<key>PBXSmartGroupTreeModuleOutlineStateExpansionKey</key>
 							<array>
-								<string>2A37F4AAFDCFA73011CA2CEA</string>
-								<string>2A37F4ABFDCFA73011CA2CEA</string>
-								<string>2A37F4AFFDCFA73011CA2CEA</string>
-								<string>2A37F4B8FDCFA73011CA2CEA</string>
-								<string>2A37F4C3FDCFA73011CA2CEA</string>
-								<string>1058C7A6FEA54F5311CA2CBB</string>
 								<string>1C37FBAC04509CD000000102</string>
-								<string>1C37FABC05509CD000000102</string>
+								<string>1BCC419609F8D83D00F1AC9F</string>
+								<string>1CC0EA4004350EF90044410B</string>
 								<string>1CC0EA4004350EF90041110B</string>
 							</array>
 							<key>PBXSmartGroupTreeModuleOutlineStateSelectionKey</key>
 							<array>
 								<array>
-									<integer>9</integer>
-									<integer>1</integer>
-									<integer>0</integer>
+									<integer>17</integer>
+									<integer>14</integer>
 								</array>
 							</array>
 							<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
-							<string>{{0, 0}, {186, 634}}</string>
+							<string>{{0, 0}, {185, 539}}</string>
 						</dict>
 						<key>PBXTopSmartGroupGIDs</key>
 						<array/>
+						<key>XCIncludePerspectivesSwitch</key>
+						<false/>
 					</dict>
 					<key>GeometryConfiguration</key>
 					<dict>
 						<key>Frame</key>
-						<string>{{0, 0}, {203, 652}}</string>
+						<string>{{0, 0}, {202, 557}}</string>
 						<key>GroupTreeTableConfiguration</key>
 						<array>
 							<string>MainColumn</string>
-							<real>186</real>
+							<real>185</real>
 						</array>
-						<key>RubberWindowFrame</key>
-						<string>78 157 900 694 0 0 1440 878 </string>
 					</dict>
 					<key>Module</key>
 					<string>PBXSmartGroupTreeModule</string>
 					<key>Proportion</key>
-					<string>203pt</string>
+					<string>202pt</string>
 				</dict>
 				<dict>
 					<key>Dock</key>
@@ -309,60 +318,70 @@
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>PBXProjectModuleGUID</key>
-								<string>1CE0B20306471E060097A5F4</string>
+								<string>1BCC417C09F8D0C800F1AC9F</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>MyDocument.m</string>
+								<string>CmdKeyInterceptApplication.m</string>
 								<key>PBXSplitModuleInNavigatorKey</key>
 								<dict>
 									<key>Split0</key>
 									<dict>
 										<key>PBXProjectModuleGUID</key>
-										<string>1CE0B20406471E060097A5F4</string>
+										<string>1BCC417D09F8D0C800F1AC9F</string>
 										<key>PBXProjectModuleLabel</key>
-										<string>MyDocument.m</string>
+										<string>CmdKeyInterceptApplication.m</string>
+										<key>_historyCapacity</key>
+										<integer>0</integer>
 										<key>bookmark</key>
-										<string>1B824B3207BF8C6C00279D6D</string>
+										<string>1BCC425B09F8E32100F1AC9F</string>
 										<key>history</key>
 										<array>
-											<string>1BD2F3F207B74F230022B69D</string>
-											<string>1B82418207BE13B000279D6D</string>
-											<string>1B82427B07BF61C600279D6D</string>
-											<string>1B82434A07BF7A4B00279D6D</string>
-											<string>1B8243C007BF863D00279D6D</string>
-											<string>1B8243C407BF865300279D6D</string>
-											<string>1B82478907BF8A7600279D6D</string>
-											<string>1B824B1C07BF8C6200279D6D</string>
-											<string>1B824B1D07BF8C6200279D6D</string>
-											<string>1B824B1E07BF8C6200279D6D</string>
-											<string>1B824B1F07BF8C6200279D6D</string>
-											<string>1B824B2007BF8C6200279D6D</string>
-											<string>1B824B2107BF8C6200279D6D</string>
-											<string>1B824B2207BF8C6200279D6D</string>
-											<string>1B824B2307BF8C6200279D6D</string>
-											<string>1B824B2407BF8C6200279D6D</string>
+											<string>1BCC419009F8D82800F1AC9F</string>
+											<string>1BCC41BE09F8D96A00F1AC9F</string>
+											<string>1BCC420E09F8DF9A00F1AC9F</string>
+											<string>1BCC421209F8DF9A00F1AC9F</string>
+											<string>1BCC423D09F8E24A00F1AC9F</string>
+											<string>1BCC423E09F8E24A00F1AC9F</string>
+											<string>1BCC423F09F8E24A00F1AC9F</string>
+											<string>1BCC425409F8E30E00F1AC9F</string>
 										</array>
 										<key>prevStack</key>
 										<array>
-											<string>1BD2F3F507B74F230022B69D</string>
-											<string>1BD2F45307B829610022B69D</string>
-											<string>1BC8F14907B8301200987A06</string>
-											<string>1BADE91E07BC0E6C0020BE61</string>
-											<string>1B82427F07BF61C600279D6D</string>
-											<string>1B8243C607BF865300279D6D</string>
-											<string>1B8243E307BF86BE00279D6D</string>
-											<string>1B82478B07BF8A7600279D6D</string>
-											<string>1B824B2507BF8C6200279D6D</string>
-											<string>1B824B2607BF8C6200279D6D</string>
-											<string>1B824B2707BF8C6200279D6D</string>
-											<string>1B824B2807BF8C6200279D6D</string>
-											<string>1B824B2907BF8C6200279D6D</string>
-											<string>1B824B2A07BF8C6200279D6D</string>
-											<string>1B824B2B07BF8C6200279D6D</string>
-											<string>1B824B2C07BF8C6200279D6D</string>
-											<string>1B824B2D07BF8C6200279D6D</string>
-											<string>1B824B2E07BF8C6200279D6D</string>
-											<string>1B824B2F07BF8C6200279D6D</string>
-											<string>1B824B3007BF8C6200279D6D</string>
+											<string>1BCC419209F8D82800F1AC9F</string>
+											<string>1BCC419309F8D82800F1AC9F</string>
+											<string>1BCC419409F8D82800F1AC9F</string>
+											<string>1BCC41C309F8D96A00F1AC9F</string>
+											<string>1BCC41C409F8D96A00F1AC9F</string>
+											<string>1BCC41C509F8D96A00F1AC9F</string>
+											<string>1BCC41C609F8D96A00F1AC9F</string>
+											<string>1BCC41D309F8DA0D00F1AC9F</string>
+											<string>1BCC41D409F8DA0D00F1AC9F</string>
+											<string>1BCC41D509F8DA0D00F1AC9F</string>
+											<string>1BCC41D609F8DA0D00F1AC9F</string>
+											<string>1BCC41D709F8DA0D00F1AC9F</string>
+											<string>1BCC41D809F8DA0D00F1AC9F</string>
+											<string>1BCC421409F8DF9A00F1AC9F</string>
+											<string>1BCC421509F8DF9A00F1AC9F</string>
+											<string>1BCC421609F8DF9A00F1AC9F</string>
+											<string>1BCC421709F8DF9A00F1AC9F</string>
+											<string>1BCC421809F8DF9A00F1AC9F</string>
+											<string>1BCC421909F8DF9A00F1AC9F</string>
+											<string>1BCC421A09F8DF9A00F1AC9F</string>
+											<string>1BCC421B09F8DF9A00F1AC9F</string>
+											<string>1BCC421C09F8DF9A00F1AC9F</string>
+											<string>1BCC421D09F8DF9A00F1AC9F</string>
+											<string>1BCC421E09F8DF9A00F1AC9F</string>
+											<string>1BCC421F09F8DF9A00F1AC9F</string>
+											<string>1BCC422009F8DF9A00F1AC9F</string>
+											<string>1BCC422109F8DF9A00F1AC9F</string>
+											<string>1BCC422209F8DF9A00F1AC9F</string>
+											<string>1BCC422309F8DF9A00F1AC9F</string>
+											<string>1BCC422409F8DF9A00F1AC9F</string>
+											<string>1BCC422509F8DF9A00F1AC9F</string>
+											<string>1BCC423709F8E17E00F1AC9F</string>
+											<string>1BCC424109F8E24A00F1AC9F</string>
+											<string>1BCC424209F8E24A00F1AC9F</string>
+											<string>1BCC424309F8E24A00F1AC9F</string>
+											<string>1BCC424409F8E24A00F1AC9F</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -370,42 +389,77 @@
 								</dict>
 								<key>StatusBarVisibility</key>
 								<true/>
+								<key>XCSharingToken</key>
+								<string>com.apple.Xcode.CommonNavigatorGroupSharingToken</string>
 							</dict>
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {691, 497}}</string>
-								<key>RubberWindowFrame</key>
-								<string>78 157 900 694 0 0 1440 878 </string>
+								<string>{{0, 0}, {768, 438}}</string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>497pt</string>
+							<string>438pt</string>
 						</dict>
 						<dict>
-							<key>ContentConfiguration</key>
-							<dict>
-								<key>PBXProjectModuleGUID</key>
-								<string>1CE0B20506471E060097A5F4</string>
-								<key>PBXProjectModuleLabel</key>
-								<string>Detail</string>
-							</dict>
-							<key>GeometryConfiguration</key>
-							<dict>
-								<key>Frame</key>
-								<string>{{0, 504}, {691, 148}}</string>
-								<key>RubberWindowFrame</key>
-								<string>78 157 900 694 0 0 1440 878 </string>
-							</dict>
-							<key>Module</key>
-							<string>XCDetailModule</string>
 							<key>Proportion</key>
-							<string>148pt</string>
+							<string>114pt</string>
+							<key>Tabs</key>
+							<array>
+								<dict>
+									<key>ContentConfiguration</key>
+									<dict>
+										<key>PBXProjectModuleGUID</key>
+										<string>1CA23EDF0692099D00951B8B</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>Detail</string>
+									</dict>
+									<key>GeometryConfiguration</key>
+									<dict>
+										<key>Frame</key>
+										<string>{{10, 27}, {768, 87}}</string>
+									</dict>
+									<key>Module</key>
+									<string>XCDetailModule</string>
+								</dict>
+								<dict>
+									<key>ContentConfiguration</key>
+									<dict>
+										<key>PBXProjectModuleGUID</key>
+										<string>1CA23EE00692099D00951B8B</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>Project Find</string>
+									</dict>
+									<key>GeometryConfiguration</key>
+									<dict>
+										<key>Frame</key>
+										<string>{{10, 31}, {603, 297}}</string>
+									</dict>
+									<key>Module</key>
+									<string>PBXProjectFindModule</string>
+								</dict>
+								<dict>
+									<key>ContentConfiguration</key>
+									<dict>
+										<key>PBXProjectModuleGUID</key>
+										<string>1CA23EE10692099D00951B8B</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>SCM Results</string>
+									</dict>
+									<key>GeometryConfiguration</key>
+									<dict>
+										<key>Frame</key>
+										<string>{{10, 31}, {603, 297}}</string>
+									</dict>
+									<key>Module</key>
+									<string>PBXCVSModule</string>
+								</dict>
+							</array>
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>691pt</string>
+					<string>768pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
@@ -416,249 +470,451 @@
 				<string>PBXSmartGroupTreeModule</string>
 				<string>XCModuleDock</string>
 				<string>PBXNavigatorGroup</string>
+				<string>XCDockableTabModule</string>
 				<string>XCDetailModule</string>
+				<string>PBXProjectFindModule</string>
+				<string>PBXCVSModule</string>
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>1B824B1607BF8B1100279D6D</string>
-				<string>1CE0B1FE06471DED0097A5F4</string>
-				<string>1B824B1707BF8B1100279D6D</string>
-				<string>1CE0B20306471E060097A5F4</string>
-				<string>1CE0B20506471E060097A5F4</string>
+				<string>1BCC417E09F8D0C800F1AC9F</string>
+				<string>1CA23ED40692098700951B8B</string>
+				<string>1BCC417F09F8D0C800F1AC9F</string>
+				<string>1BCC417C09F8D0C800F1AC9F</string>
+				<string>1BCC418009F8D0C800F1AC9F</string>
+				<string>1CA23EDF0692099D00951B8B</string>
+				<string>1CA23EE00692099D00951B8B</string>
+				<string>1CA23EE10692099D00951B8B</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.default</string>
 		</dict>
-	</array>
-	<key>PerspectivesBarVisible</key>
-	<false/>
-	<key>StatusbarIsVisible</key>
-	<true/>
-	<key>TimeStamp</key>
-	<real>129993836.59627661</real>
-	<key>ToolbarDisplayMode</key>
-	<integer>1</integer>
-	<key>ToolbarIsVisible</key>
-	<true/>
-	<key>ToolbarSizeMode</key>
-	<integer>1</integer>
-	<key>Type</key>
-	<string>Perspectives</string>
-	<key>UpdateMessage</key>
-	<string></string>
-	<key>WindowJustification</key>
-	<integer>5</integer>
-	<key>WindowOrderList</key>
-	<array>
-		<string>1B824B1807BF8B1100279D6D</string>
-		<string>1C0AD2B3069F1EA900FABCE6</string>
-		<string>/Users/liyanage/cvs/entropy/LeanCalc/LeanCalc.xcode</string>
-	</array>
-	<key>WindowString</key>
-	<string>78 157 900 694 0 0 1440 878 </string>
-	<key>WindowTools</key>
-	<array>
 		<dict>
-			<key>FirstTimeWindowDisplayed</key>
-			<false/>
+			<key>ChosenToolbarItems</key>
+			<array>
+				<string>XCToolbarPerspectiveControl</string>
+				<string>NSToolbarSeparatorItem</string>
+				<string>active-target-popup</string>
+				<string>active-executable-popup</string>
+				<string>active-buildstyle-popup</string>
+				<string>NSToolbarFlexibleSpaceItem</string>
+				<string>build</string>
+				<string>clean-target</string>
+				<string>clean</string>
+				<string>NSToolbarSeparatorItem</string>
+				<string>run</string>
+				<string>debug</string>
+			</array>
+			<key>ControllerClassBaseName</key>
+			<string></string>
+			<key>IconName</key>
+			<string>BuildTabIcon</string>
 			<key>Identifier</key>
-			<string>windowTool.build</string>
+			<string>perspective.build</string>
+			<key>IsVertical</key>
+			<false/>
 			<key>Layout</key>
 			<array>
 				<dict>
+					<key>ContentConfiguration</key>
+					<dict>
+						<key>PBXBottomSmartGroupGIDs</key>
+						<array/>
+						<key>PBXProjectModuleGUID</key>
+						<string>1CA23EE50692099D00951B8B</string>
+						<key>PBXProjectModuleLabel</key>
+						<string>Files</string>
+						<key>PBXProjectStructureProvided</key>
+						<string>yes</string>
+						<key>PBXSmartGroupTreeModuleColumnData</key>
+						<dict>
+							<key>PBXSmartGroupTreeModuleColumnWidthsKey</key>
+							<array>
+								<real>184</real>
+							</array>
+							<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
+							<array>
+								<string>MainColumn</string>
+							</array>
+						</dict>
+						<key>PBXSmartGroupTreeModuleOutlineStateKey_v7</key>
+						<dict>
+							<key>PBXSmartGroupTreeModuleOutlineStateExpansionKey</key>
+							<array/>
+							<key>PBXSmartGroupTreeModuleOutlineStateSelectionKey</key>
+							<array>
+								<array>
+									<integer>0</integer>
+								</array>
+							</array>
+							<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
+							<string>{{0, 0}, {184, 539}}</string>
+						</dict>
+						<key>PBXTopSmartGroupGIDs</key>
+						<array/>
+						<key>XCIncludePerspectivesSwitch</key>
+						<false/>
+					</dict>
+					<key>GeometryConfiguration</key>
+					<dict>
+						<key>Frame</key>
+						<string>{{0, 0}, {201, 557}}</string>
+						<key>GroupTreeTableConfiguration</key>
+						<array>
+							<string>MainColumn</string>
+							<real>184</real>
+						</array>
+						<key>RubberWindowFrame</key>
+						<string>105 256 975 598 0 0 1440 878 </string>
+					</dict>
+					<key>Module</key>
+					<string>PBXSmartGroupTreeModule</string>
+					<key>Proportion</key>
+					<string>201pt</string>
+				</dict>
+				<dict>
 					<key>Dock</key>
 					<array>
 						<dict>
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>PBXProjectModuleGUID</key>
-								<string>1CD0528F0623707200166675</string>
+								<string>1BCC417C09F8D0C800F1AC9F</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>&lt;No Editor&gt;</string>
+								<string>CmdKeyInterceptApplication.m</string>
 								<key>PBXSplitModuleInNavigatorKey</key>
 								<dict>
 									<key>Split0</key>
 									<dict>
 										<key>PBXProjectModuleGUID</key>
-										<string>1CD052900623707200166675</string>
+										<string>1BCC417D09F8D0C800F1AC9F</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>CmdKeyInterceptApplication.m</string>
+										<key>_historyCapacity</key>
+										<integer>0</integer>
+										<key>bookmark</key>
+										<string>1BCC425C09F8E32100F1AC9F</string>
+										<key>history</key>
+										<array>
+											<string>1BCC419009F8D82800F1AC9F</string>
+											<string>1BCC41BF09F8D96A00F1AC9F</string>
+											<string>1BCC41C009F8D96A00F1AC9F</string>
+											<string>1BCC41C909F8D96C00F1AC9F</string>
+											<string>1BCC41D109F8DA0D00F1AC9F</string>
+											<string>1BCC420E09F8DF9A00F1AC9F</string>
+											<string>1BCC424709F8E25700F1AC9F</string>
+											<string>1BCC425809F8E31A00F1AC9F</string>
+										</array>
+										<key>prevStack</key>
+										<array>
+											<string>1BCC419209F8D82800F1AC9F</string>
+											<string>1BCC419309F8D82800F1AC9F</string>
+											<string>1BCC41C409F8D96A00F1AC9F</string>
+											<string>1BCC41C509F8D96A00F1AC9F</string>
+											<string>1BCC41C609F8D96A00F1AC9F</string>
+											<string>1BCC41D309F8DA0D00F1AC9F</string>
+											<string>1BCC41D409F8DA0D00F1AC9F</string>
+											<string>1BCC421A09F8DF9A00F1AC9F</string>
+										</array>
 									</dict>
 									<key>SplitCount</key>
 									<string>1</string>
 								</dict>
 								<key>StatusBarVisibility</key>
 								<true/>
+								<key>XCSharingToken</key>
+								<string>com.apple.Xcode.CommonNavigatorGroupSharingToken</string>
 							</dict>
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {589, 8}}</string>
+								<string>{{0, 0}, {769, 109}}</string>
 								<key>RubberWindowFrame</key>
-								<string>661 163 589 501 0 0 1440 878 </string>
+								<string>105 256 975 598 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>8pt</string>
+							<string>109pt</string>
 						</dict>
 						<dict>
-							<key>BecomeActive</key>
-							<true/>
-							<key>ContentConfiguration</key>
-							<dict>
-								<key>PBXProjectModuleGUID</key>
-								<string>XCMainBuildResultsModuleGUID</string>
-								<key>PBXProjectModuleLabel</key>
-								<string>Build</string>
-								<key>XCBuildResultsTrigger_Collapse</key>
-								<integer>1021</integer>
-								<key>XCBuildResultsTrigger_Open</key>
-								<integer>1010</integer>
-							</dict>
-							<key>GeometryConfiguration</key>
-							<dict>
-								<key>Frame</key>
-								<string>{{0, 15}, {589, 444}}</string>
-								<key>RubberWindowFrame</key>
-								<string>661 163 589 501 0 0 1440 878 </string>
-							</dict>
-							<key>Module</key>
-							<string>PBXBuildResultsModule</string>
 							<key>Proportion</key>
-							<string>444pt</string>
+							<string>443pt</string>
+							<key>Tabs</key>
+							<array>
+								<dict>
+									<key>BecomeActive</key>
+									<true/>
+									<key>ContentConfiguration</key>
+									<dict>
+										<key>PBXProjectModuleGUID</key>
+										<string>XCMainBuildResultsModuleGUID</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>Build</string>
+										<key>XCBuildResultsTrigger_Collapse</key>
+										<integer>1021</integer>
+										<key>XCBuildResultsTrigger_Open</key>
+										<integer>1010</integer>
+									</dict>
+									<key>GeometryConfiguration</key>
+									<dict>
+										<key>Frame</key>
+										<string>{{10, 27}, {769, 416}}</string>
+										<key>RubberWindowFrame</key>
+										<string>105 256 975 598 0 0 1440 878 </string>
+									</dict>
+									<key>Module</key>
+									<string>PBXBuildResultsModule</string>
+								</dict>
+								<dict>
+									<key>ContentConfiguration</key>
+									<dict>
+										<key>LauncherConfigVersion</key>
+										<string>3</string>
+										<key>PBXProjectModuleGUID</key>
+										<string>1CA23EE80692099D00951B8B</string>
+										<key>PBXProjectModuleLabel</key>
+										<string>Run</string>
+										<key>Runner</key>
+										<dict>
+											<key>HorizontalSplitView</key>
+											<dict>
+												<key>_collapsingFrameDimension</key>
+												<real>0.0</real>
+												<key>_indexOfCollapsedView</key>
+												<integer>0</integer>
+												<key>_percentageOfCollapsedView</key>
+												<real>0.0</real>
+												<key>isCollapsed</key>
+												<string>yes</string>
+												<key>sizes</key>
+												<array>
+													<string>{{0, 0}, {365, 167}}</string>
+													<string>{{0, 176}, {365, 267}}</string>
+												</array>
+											</dict>
+											<key>VerticalSplitView</key>
+											<dict>
+												<key>_collapsingFrameDimension</key>
+												<real>0.0</real>
+												<key>_indexOfCollapsedView</key>
+												<integer>0</integer>
+												<key>_percentageOfCollapsedView</key>
+												<real>0.0</real>
+												<key>isCollapsed</key>
+												<string>yes</string>
+												<key>sizes</key>
+												<array>
+													<string>{{0, 0}, {405, 443}}</string>
+													<string>{{414, 0}, {514, 443}}</string>
+												</array>
+											</dict>
+										</dict>
+									</dict>
+									<key>GeometryConfiguration</key>
+									<dict>
+										<key>Frame</key>
+										<string>{{10, 27}, {769, 416}}</string>
+									</dict>
+									<key>Module</key>
+									<string>PBXRunSessionModule</string>
+								</dict>
+							</array>
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>459pt</string>
+					<string>769pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
-			<string>Build Results</string>
+			<string>Build</string>
 			<key>ServiceClasses</key>
 			<array>
+				<string>XCModuleDock</string>
+				<string>PBXSmartGroupTreeModule</string>
+				<string>XCModuleDock</string>
+				<string>PBXNavigatorGroup</string>
+				<string>XCDockableTabModule</string>
 				<string>PBXBuildResultsModule</string>
+				<string>PBXRunSessionModule</string>
+				<string>XCConsole</string>
 			</array>
-			<key>StatusbarIsVisible</key>
-			<true/>
 			<key>TableOfContents</key>
 			<array>
-				<string>1B824B1807BF8B1100279D6D</string>
-				<string>1B824B1907BF8B1100279D6D</string>
-				<string>1CD0528F0623707200166675</string>
+				<string>1BCC419909F8D83D00F1AC9F</string>
+				<string>1CA23EE50692099D00951B8B</string>
+				<string>1BCC419A09F8D83D00F1AC9F</string>
+				<string>1BCC417C09F8D0C800F1AC9F</string>
+				<string>1BCC419B09F8D83D00F1AC9F</string>
 				<string>XCMainBuildResultsModuleGUID</string>
+				<string>1CA23EE80692099D00951B8B</string>
+				<string>1BCC419C09F8D83D00F1AC9F</string>
 			</array>
 			<key>ToolbarConfiguration</key>
-			<string>xcode.toolbar.config.build</string>
-			<key>WindowString</key>
-			<string>661 163 589 501 0 0 1440 878 </string>
-			<key>WindowToolGUID</key>
-			<string>1B824B1807BF8B1100279D6D</string>
-			<key>WindowToolIsVisible</key>
-			<true/>
+			<string>xcode.toolbar.config.buildAndRun</string>
 		</dict>
 		<dict>
-			<key>FirstTimeWindowDisplayed</key>
-			<false/>
+			<key>ChosenToolbarItems</key>
+			<array>
+				<string>XCToolbarPerspectiveControl</string>
+				<string>NSToolbarSeparatorItem</string>
+				<string>build-and-debug</string>
+				<string>debug</string>
+				<string>NSToolbarFlexibleSpaceItem</string>
+				<string>debugger-fix-and-continue</string>
+				<string>debugger-restart-executable</string>
+				<string>debugger-pause</string>
+				<string>debugger-continue</string>
+				<string>debugger-step-over</string>
+				<string>debugger-step-into</string>
+				<string>debugger-step-out</string>
+				<string>debugger-step-instruction</string>
+				<string>NSToolbarFlexibleSpaceItem</string>
+			</array>
+			<key>ControllerClassBaseName</key>
+			<string>PBXDebugSessionModule</string>
+			<key>IconName</key>
+			<string>DebugTabIcon</string>
 			<key>Identifier</key>
-			<string>windowTool.debugger</string>
+			<string>perspective.debug</string>
+			<key>IsVertical</key>
+			<integer>1</integer>
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>Dock</key>
-					<array>
+					<key>ContentConfiguration</key>
+					<dict>
+						<key>PBXProjectModuleGUID</key>
+						<string>1CCC7628064C1048000F2A68</string>
+						<key>PBXProjectModuleLabel</key>
+						<string>Debugger Console</string>
+					</dict>
+					<key>GeometryConfiguration</key>
+					<dict>
+						<key>Frame</key>
+						<string>{{0, 0}, {810, 0}}</string>
+					</dict>
+					<key>Module</key>
+					<string>PBXDebugCLIModule</string>
+					<key>Proportion</key>
+					<string>0%</string>
+				</dict>
+				<dict>
+					<key>ContentConfiguration</key>
+					<dict>
+						<key>Debugger</key>
 						<dict>
-							<key>ContentConfiguration</key>
+							<key>HorizontalSplitView</key>
 							<dict>
-								<key>Debugger</key>
-								<dict>
-									<key>HorizontalSplitView</key>
-									<dict>
-										<key>_collapsingFrameDimension</key>
-										<real>0.0</real>
-										<key>_indexOfCollapsedView</key>
-										<integer>0</integer>
-										<key>_percentageOfCollapsedView</key>
-										<real>0.0</real>
-										<key>isCollapsed</key>
-										<string>yes</string>
-										<key>sizes</key>
-										<array>
-											<string>{{0, 0}, {249, 164}}</string>
-											<string>{{249, 0}, {445, 164}}</string>
-										</array>
-									</dict>
-									<key>VerticalSplitView</key>
-									<dict>
-										<key>_collapsingFrameDimension</key>
-										<real>0.0</real>
-										<key>_indexOfCollapsedView</key>
-										<integer>0</integer>
-										<key>_percentageOfCollapsedView</key>
-										<real>0.0</real>
-										<key>isCollapsed</key>
-										<string>yes</string>
-										<key>sizes</key>
-										<array>
-											<string>{{0, 0}, {694, 164}}</string>
-											<string>{{0, 164}, {694, 216}}</string>
-										</array>
-									</dict>
-								</dict>
-								<key>LauncherConfigVersion</key>
-								<string>8</string>
-								<key>PBXProjectModuleGUID</key>
-								<string>1C162984064C10D400B95A72</string>
-								<key>PBXProjectModuleLabel</key>
-								<string>Debug - GLUTExamples (Underwater)</string>
+								<key>_collapsingFrameDimension</key>
+								<real>0.0</real>
+								<key>_indexOfCollapsedView</key>
+								<integer>0</integer>
+								<key>_percentageOfCollapsedView</key>
+								<real>0.0</real>
+								<key>isCollapsed</key>
+								<string>yes</string>
+								<key>sizes</key>
+								<array>
+									<string>{{0, 0}, {395, 213}}</string>
+									<string>{{395, 0}, {415, 213}}</string>
+								</array>
 							</dict>
-							<key>GeometryConfiguration</key>
+							<key>VerticalSplitView</key>
 							<dict>
-								<key>DebugConsoleDrawerSize</key>
-								<string>{100, 120}</string>
-								<key>DebugConsoleVisible</key>
-								<string>None</string>
-								<key>DebugConsoleWindowFrame</key>
-								<string>{{200, 200}, {500, 300}}</string>
-								<key>DebugSTDIOWindowFrame</key>
-								<string>{{200, 200}, {500, 300}}</string>
-								<key>Frame</key>
-								<string>{{0, 0}, {694, 380}}</string>
-								<key>RubberWindowFrame</key>
-								<string>247 86 694 422 0 0 1440 878 </string>
+								<key>_collapsingFrameDimension</key>
+								<real>0.0</real>
+								<key>_indexOfCollapsedView</key>
+								<integer>0</integer>
+								<key>_percentageOfCollapsedView</key>
+								<real>0.0</real>
+								<key>isCollapsed</key>
+								<string>yes</string>
+								<key>sizes</key>
+								<array>
+									<string>{{0, 0}, {810, 213}}</string>
+									<string>{{0, 213}, {810, 225}}</string>
+								</array>
 							</dict>
-							<key>Module</key>
-							<string>PBXDebugSessionModule</string>
-							<key>Proportion</key>
-							<string>380pt</string>
 						</dict>
-					</array>
+						<key>LauncherConfigVersion</key>
+						<string>8</string>
+						<key>PBXProjectModuleGUID</key>
+						<string>1CCC7629064C1048000F2A68</string>
+						<key>PBXProjectModuleLabel</key>
+						<string>Debug</string>
+					</dict>
+					<key>GeometryConfiguration</key>
+					<dict>
+						<key>DebugConsoleDrawerSize</key>
+						<string>{100, 120}</string>
+						<key>DebugConsoleVisible</key>
+						<string>None</string>
+						<key>DebugConsoleWindowFrame</key>
+						<string>{{200, 200}, {500, 300}}</string>
+						<key>DebugSTDIOWindowFrame</key>
+						<string>{{200, 200}, {500, 300}}</string>
+						<key>Frame</key>
+						<string>{{0, 7}, {810, 438}}</string>
+					</dict>
+					<key>Module</key>
+					<string>PBXDebugSessionModule</string>
 					<key>Proportion</key>
-					<string>380pt</string>
+					<string>443pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
-			<string>Debugger</string>
+			<string>Debug</string>
 			<key>ServiceClasses</key>
 			<array>
+				<string>XCModuleDock</string>
+				<string>XCModuleDock</string>
+				<string>PBXDebugCLIModule</string>
 				<string>PBXDebugSessionModule</string>
+				<string>XCConsole</string>
 			</array>
-			<key>StatusbarIsVisible</key>
-			<true/>
 			<key>TableOfContents</key>
 			<array>
-				<string>1CD10A99069EF8BA00B06720</string>
-				<string>1BC8F14107B82BB400987A06</string>
-				<string>1C162984064C10D400B95A72</string>
-				<string>1BC8F14207B82BB400987A06</string>
+				<string>1CC8E6A5069209BD00BB180A</string>
+				<string>1CC8E6A6069209BD00BB180A</string>
+				<string>1CCC7628064C1048000F2A68</string>
+				<string>1CCC7629064C1048000F2A68</string>
+				<string>1CC8E6A7069209BD00BB180A</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.debug</string>
-			<key>WindowString</key>
-			<string>247 86 694 422 0 0 1440 878 </string>
-			<key>WindowToolGUID</key>
-			<string>1CD10A99069EF8BA00B06720</string>
-			<key>WindowToolIsVisible</key>
-			<false/>
 		</dict>
+	</array>
+	<key>PerspectivesBarVisible</key>
+	<true/>
+	<key>ShelfIsVisible</key>
+	<false/>
+	<key>SourceDescription</key>
+	<string>file at '/System/Library/PrivateFrameworks/DevToolsInterface.framework/Versions/A/Resources/XCPerspectivesSpecification.xcperspec'</string>
+	<key>StatusbarIsVisible</key>
+	<true/>
+	<key>TimeStamp</key>
+	<real>167306017.927095</real>
+	<key>ToolbarDisplayMode</key>
+	<integer>1</integer>
+	<key>ToolbarIsVisible</key>
+	<true/>
+	<key>ToolbarSizeMode</key>
+	<integer>1</integer>
+	<key>Type</key>
+	<string>Perspectives</string>
+	<key>UpdateMessage</key>
+	<string></string>
+	<key>WindowJustification</key>
+	<integer>5</integer>
+	<key>WindowOrderList</key>
+	<array>
+		<string>/Users/liyanage/svn/entropy/LeanCalc/LeanCalc.xcodeproj</string>
+	</array>
+	<key>WindowString</key>
+	<string>105 256 975 598 0 0 1440 878 </string>
+	<key>WindowTools</key>
+	<array>
 		<dict>
 			<key>Identifier</key>
 			<string>windowTool.find</string>
@@ -688,7 +944,7 @@
 											<string>1</string>
 										</dict>
 										<key>StatusBarVisibility</key>
-										<true/>
+										<integer>1</integer>
 									</dict>
 									<key>GeometryConfiguration</key>
 									<dict>
@@ -708,7 +964,7 @@
 						</dict>
 						<dict>
 							<key>BecomeActive</key>
-							<true/>
+							<integer>1</integer>
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>PBXProjectModuleGUID</key>
@@ -740,7 +996,7 @@
 				<string>PBXProjectFindModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<true/>
+			<integer>1</integer>
 			<key>TableOfContents</key>
 			<array>
 				<string>1C530D57069F1CE1000CFCEE</string>
@@ -756,71 +1012,9 @@
 			<key>WindowToolGUID</key>
 			<string>1C530D57069F1CE1000CFCEE</string>
 			<key>WindowToolIsVisible</key>
-			<false/>
-		</dict>
-		<dict>
-			<key>Identifier</key>
-			<string>MENUSEPARATOR</string>
-		</dict>
-		<dict>
-			<key>FirstTimeWindowDisplayed</key>
-			<false/>
-			<key>Identifier</key>
-			<string>windowTool.debuggerConsole</string>
-			<key>Layout</key>
-			<array>
-				<dict>
-					<key>Dock</key>
-					<array>
-						<dict>
-							<key>ContentConfiguration</key>
-							<dict>
-								<key>PBXProjectModuleGUID</key>
-								<string>1C78EAAC065D492600B07095</string>
-								<key>PBXProjectModuleLabel</key>
-								<string>Debugger Console</string>
-							</dict>
-							<key>GeometryConfiguration</key>
-							<dict>
-								<key>Frame</key>
-								<string>{{0, 0}, {547, 359}}</string>
-								<key>RubberWindowFrame</key>
-								<string>104 431 547 401 0 0 1440 878 </string>
-							</dict>
-							<key>Module</key>
-							<string>PBXDebugCLIModule</string>
-							<key>Proportion</key>
-							<string>359pt</string>
-						</dict>
-					</array>
-					<key>Proportion</key>
-					<string>359pt</string>
-				</dict>
-			</array>
-			<key>Name</key>
-			<string>Debugger Console</string>
-			<key>ServiceClasses</key>
-			<array>
-				<string>PBXDebugCLIModule</string>
-			</array>
-			<key>StatusbarIsVisible</key>
-			<true/>
-			<key>TableOfContents</key>
-			<array>
-				<string>1BFAB2C307AF66EA00C841BA</string>
-				<string>1BD2F24107B6BFB60022B69D</string>
-				<string>1C78EAAC065D492600B07095</string>
-			</array>
-			<key>WindowString</key>
-			<string>104 431 547 401 0 0 1440 878 </string>
-			<key>WindowToolGUID</key>
-			<string>1BFAB2C307AF66EA00C841BA</string>
-			<key>WindowToolIsVisible</key>
-			<false/>
+			<integer>0</integer>
 		</dict>
 		<dict>
-			<key>FirstTimeWindowDisplayed</key>
-			<false/>
 			<key>Identifier</key>
 			<string>windowTool.run</string>
 			<key>Layout</key>
@@ -836,7 +1030,7 @@
 								<key>PBXProjectModuleGUID</key>
 								<string>1CD0528B0623707200166675</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>Run</string>
+								<string>Run - cocoapp112 - cocoapp112</string>
 								<key>Runner</key>
 								<dict>
 									<key>HorizontalSplitView</key>
@@ -851,8 +1045,8 @@
 										<string>yes</string>
 										<key>sizes</key>
 										<array>
-											<string>{{0, 0}, {366, 167}}</string>
-											<string>{{0, 176}, {366, 267}}</string>
+											<string>{{0, 0}, {365, 167}}</string>
+											<string>{{0, 176}, {365, 267}}</string>
 										</array>
 									</dict>
 									<key>VerticalSplitView</key>
@@ -876,18 +1070,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {856, 173}}</string>
+								<string>{{0, 0}, {456, 192}}</string>
 								<key>RubberWindowFrame</key>
-								<string>132 91 856 215 0 0 1440 878 </string>
+								<string>741 130 456 234 0 0 1280 1002 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXRunSessionModule</string>
 							<key>Proportion</key>
-							<string>173pt</string>
+							<string>192pt</string>
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>173pt</string>
+					<string>192pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
@@ -897,22 +1091,18 @@
 				<string>PBXRunSessionModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<true/>
+			<integer>1</integer>
 			<key>TableOfContents</key>
 			<array>
-				<string>1C0AD2B3069F1EA900FABCE6</string>
-				<string>1B824B1A07BF8B1100279D6D</string>
+				<string>1C78EAAF065D492600B07095</string>
+				<string>1C78EAB0065D492600B07095</string>
 				<string>1CD0528B0623707200166675</string>
-				<string>1B824B1B07BF8B1100279D6D</string>
+				<string>1C78EAB1065D492600B07095</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.run</string>
 			<key>WindowString</key>
-			<string>132 91 856 215 0 0 1440 878 </string>
-			<key>WindowToolGUID</key>
-			<string>1C0AD2B3069F1EA900FABCE6</string>
-			<key>WindowToolIsVisible</key>
-			<true/>
+			<string>741 130 456 234 0 0 1280 1002 </string>
 		</dict>
 		<dict>
 			<key>Identifier</key>
@@ -940,7 +1130,7 @@
 									<string>1</string>
 								</dict>
 								<key>StatusBarVisibility</key>
-								<true/>
+								<integer>1</integer>
 							</dict>
 							<key>GeometryConfiguration</key>
 							<dict>
@@ -956,7 +1146,7 @@
 						</dict>
 						<dict>
 							<key>BecomeActive</key>
-							<true/>
+							<integer>1</integer>
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>PBXProjectModuleGUID</key>
@@ -987,7 +1177,7 @@
 							<key>Module</key>
 							<string>PBXCVSModule</string>
 							<key>Proportion</key>
-							<string>259pt</string>
+							<string>262pt</string>
 						</dict>
 					</array>
 					<key>Proportion</key>
@@ -1001,7 +1191,7 @@
 				<string>PBXCVSModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<true/>
+			<integer>1</integer>
 			<key>TableOfContents</key>
 			<array>
 				<string>1C78EAB4065D492600B07095</string>
@@ -1009,12 +1199,16 @@
 				<string>1C78EAB2065D492600B07095</string>
 				<string>1CD052920623707200166675</string>
 			</array>
+			<key>ToolbarConfiguration</key>
+			<string>xcode.toolbar.config.scm</string>
 			<key>WindowString</key>
 			<string>743 379 452 308 0 0 1280 1002 </string>
 		</dict>
 		<dict>
 			<key>Identifier</key>
 			<string>windowTool.breakpoints</string>
+			<key>IsVertical</key>
+			<integer>0</integer>
 			<key>Layout</key>
 			<array>
 				<dict>
@@ -1022,58 +1216,152 @@
 					<array>
 						<dict>
 							<key>BecomeActive</key>
-							<true/>
+							<integer>1</integer>
 							<key>ContentConfiguration</key>
 							<dict>
+								<key>PBXBottomSmartGroupGIDs</key>
+								<array>
+									<string>1C77FABC04509CD000000102</string>
+								</array>
 								<key>PBXProjectModuleGUID</key>
-								<string>1CD052930623707200166675</string>
+								<string>1CE0B1FE06471DED0097A5F4</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>Breakpoints</string>
+								<string>Files</string>
+								<key>PBXProjectStructureProvided</key>
+								<string>no</string>
+								<key>PBXSmartGroupTreeModuleColumnData</key>
+								<dict>
+									<key>PBXSmartGroupTreeModuleColumnWidthsKey</key>
+									<array>
+										<real>168</real>
+									</array>
+									<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
+									<array>
+										<string>MainColumn</string>
+									</array>
+								</dict>
+								<key>PBXSmartGroupTreeModuleOutlineStateKey_v7</key>
+								<dict>
+									<key>PBXSmartGroupTreeModuleOutlineStateExpansionKey</key>
+									<array>
+										<string>1C77FABC04509CD000000102</string>
+									</array>
+									<key>PBXSmartGroupTreeModuleOutlineStateSelectionKey</key>
+									<array>
+										<array>
+											<integer>0</integer>
+										</array>
+									</array>
+									<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
+									<string>{{0, 0}, {168, 350}}</string>
+								</dict>
+								<key>PBXTopSmartGroupGIDs</key>
+								<array/>
+								<key>XCIncludePerspectivesSwitch</key>
+								<integer>0</integer>
 							</dict>
 							<key>GeometryConfiguration</key>
 							<dict>
-								<key>BreakpointsTreeTableConfiguration</key>
+								<key>Frame</key>
+								<string>{{0, 0}, {185, 368}}</string>
+								<key>GroupTreeTableConfiguration</key>
 								<array>
-									<string>enabledColumn</string>
-									<real>16</real>
-									<string>breakpointColumn</string>
-									<real>201.5830078125</real>
+									<string>MainColumn</string>
+									<real>168</real>
 								</array>
+								<key>RubberWindowFrame</key>
+								<string>315 424 744 409 0 0 1440 878 </string>
+							</dict>
+							<key>Module</key>
+							<string>PBXSmartGroupTreeModule</string>
+							<key>Proportion</key>
+							<string>185pt</string>
+						</dict>
+						<dict>
+							<key>ContentConfiguration</key>
+							<dict>
+								<key>PBXProjectModuleGUID</key>
+								<string>1CA1AED706398EBD00589147</string>
+								<key>PBXProjectModuleLabel</key>
+								<string>Detail</string>
+							</dict>
+							<key>GeometryConfiguration</key>
+							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {240, 195}}</string>
+								<string>{{190, 0}, {554, 368}}</string>
 								<key>RubberWindowFrame</key>
-								<string>342 421 240 216 0 0 1440 878 </string>
+								<string>315 424 744 409 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
-							<string>PBXDebugBreakpointsModule</string>
+							<string>XCDetailModule</string>
 							<key>Proportion</key>
-							<string>195pt</string>
+							<string>554pt</string>
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>195pt</string>
+					<string>368pt</string>
 				</dict>
 			</array>
+			<key>MajorVersion</key>
+			<integer>2</integer>
+			<key>MinorVersion</key>
+			<integer>0</integer>
 			<key>Name</key>
 			<string>Breakpoints</string>
 			<key>ServiceClasses</key>
 			<array>
-				<string>PBXDebugBreakpointsModule</string>
+				<string>PBXSmartGroupTreeModule</string>
+				<string>XCDetailModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<false/>
+			<integer>1</integer>
 			<key>TableOfContents</key>
 			<array>
-				<string>1C0AD2AD069F1E9B00FABCE6</string>
-				<string>1C0AD2AE069F1E9B00FABCE6</string>
-				<string>1CD052930623707200166675</string>
+				<string>1CDDB66807F98D9800BB5817</string>
+				<string>1CDDB66907F98D9800BB5817</string>
+				<string>1CE0B1FE06471DED0097A5F4</string>
+				<string>1CA1AED706398EBD00589147</string>
 			</array>
+			<key>ToolbarConfiguration</key>
+			<string>xcode.toolbar.config.breakpoints</string>
 			<key>WindowString</key>
-			<string>342 421 240 216 0 0 1440 878 </string>
+			<string>315 424 744 409 0 0 1440 878 </string>
 			<key>WindowToolGUID</key>
-			<string>1C0AD2AD069F1E9B00FABCE6</string>
+			<string>1CDDB66807F98D9800BB5817</string>
 			<key>WindowToolIsVisible</key>
-			<false/>
+			<integer>1</integer>
+		</dict>
+		<dict>
+			<key>Identifier</key>
+			<string>windowTool.debugAnimator</string>
+			<key>Layout</key>
+			<array>
+				<dict>
+					<key>Dock</key>
+					<array>
+						<dict>
+							<key>Module</key>
+							<string>PBXNavigatorGroup</string>
+							<key>Proportion</key>
+							<string>100%</string>
+						</dict>
+					</array>
+					<key>Proportion</key>
+					<string>100%</string>
+				</dict>
+			</array>
+			<key>Name</key>
+			<string>Debug Visualizer</string>
+			<key>ServiceClasses</key>
+			<array>
+				<string>PBXNavigatorGroup</string>
+			</array>
+			<key>StatusbarIsVisible</key>
+			<integer>1</integer>
+			<key>ToolbarConfiguration</key>
+			<string>xcode.toolbar.config.debugAnimator</string>
+			<key>WindowString</key>
+			<string>100 100 700 500 0 0 1280 1002 </string>
 		</dict>
 		<dict>
 			<key>Identifier</key>
@@ -1101,7 +1389,7 @@
 				<string>PBXBookmarksModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<false/>
+			<integer>0</integer>
 			<key>WindowString</key>
 			<string>538 42 401 187 0 0 1280 1002 </string>
 		</dict>
@@ -1115,7 +1403,7 @@
 					<array>
 						<dict>
 							<key>BecomeActive</key>
-							<true/>
+							<integer>1</integer>
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>OptionsSetName</key>
@@ -1128,7 +1416,7 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>ClassesFrame</key>
-								<string>{{0, 0}, {374, 96}}</string>
+								<string>{{0, 0}, {369, 96}}</string>
 								<key>ClassesTreeTableConfiguration</key>
 								<array>
 									<string>PBXClassNameColumnIdentifier</string>
@@ -1137,9 +1425,9 @@
 									<real>22</real>
 								</array>
 								<key>Frame</key>
-								<string>{{0, 0}, {630, 331}}</string>
+								<string>{{0, 0}, {616, 353}}</string>
 								<key>MembersFrame</key>
-								<string>{{0, 105}, {374, 395}}</string>
+								<string>{{0, 105}, {369, 395}}</string>
 								<key>MembersTreeTableConfiguration</key>
 								<array>
 									<string>PBXMemberTypeIconColumnIdentifier</string>
@@ -1147,23 +1435,23 @@
 									<string>PBXMemberNameColumnIdentifier</string>
 									<real>216</real>
 									<string>PBXMemberTypeColumnIdentifier</string>
-									<real>97</real>
+									<real>94</real>
 									<string>PBXMemberBookColumnIdentifier</string>
 									<real>22</real>
 								</array>
 								<key>PBXModuleWindowStatusBarHidden2</key>
-								<true/>
+								<integer>1</integer>
 								<key>RubberWindowFrame</key>
-								<string>385 179 630 352 0 0 1440 878 </string>
+								<string>597 125 616 374 0 0 1280 1002 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXClassBrowserModule</string>
 							<key>Proportion</key>
-							<string>331pt</string>
+							<string>354pt</string>
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>331pt</string>
+					<string>354pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
@@ -1173,21 +1461,17 @@
 				<string>PBXClassBrowserModule</string>
 			</array>
 			<key>StatusbarIsVisible</key>
-			<false/>
+			<integer>0</integer>
 			<key>TableOfContents</key>
 			<array>
-				<string>1C0AD2AF069F1E9B00FABCE6</string>
-				<string>1C0AD2B0069F1E9B00FABCE6</string>
+				<string>1C78EABA065D492600B07095</string>
+				<string>1C78EABB065D492600B07095</string>
 				<string>1CA6456E063B45B4001379D8</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.classbrowser</string>
 			<key>WindowString</key>
-			<string>385 179 630 352 0 0 1440 878 </string>
-			<key>WindowToolGUID</key>
-			<string>1C0AD2AF069F1E9B00FABCE6</string>
-			<key>WindowToolIsVisible</key>
-			<false/>
+			<string>597 125 616 374 0 0 1280 1002 </string>
 		</dict>
 	</array>
 </dict>
diff --git a/LeanCalc.xcodeproj/project.pbxproj b/LeanCalc.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..00f0a31
--- /dev/null
+++ b/LeanCalc.xcodeproj/project.pbxproj
@@ -0,0 +1,456 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 42;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		1B8243BE07BF863600279D6D /* Calculations.icns in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243BC07BF863600279D6D /* Calculations.icns */; };
+		1B8243BF07BF863600279D6D /* LeanCalc.icns in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243BD07BF863600279D6D /* LeanCalc.icns */; };
+		1B8243CA07BF866200279D6D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 1B8243C807BF866200279D6D /* main.m */; };
+		1B8243D507BF867300279D6D /* AppDelegate.h in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243CD07BF867300279D6D /* AppDelegate.h */; };
+		1B8243D607BF867300279D6D /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 1B8243CE07BF867300279D6D /* AppDelegate.m */; };
+		1B8243D707BF867300279D6D /* Calculation.h in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243CF07BF867300279D6D /* Calculation.h */; };
+		1B8243D807BF867300279D6D /* Calculation.m in Sources */ = {isa = PBXBuildFile; fileRef = 1B8243D007BF867300279D6D /* Calculation.m */; };
+		1B8243D907BF867300279D6D /* CmdKeyInterceptApplication.h in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243D107BF867300279D6D /* CmdKeyInterceptApplication.h */; };
+		1B8243DA07BF867300279D6D /* CmdKeyInterceptApplication.m in Sources */ = {isa = PBXBuildFile; fileRef = 1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */; };
+		1B8243DB07BF867300279D6D /* MyDocument.h in Resources */ = {isa = PBXBuildFile; fileRef = 1B8243D307BF867300279D6D /* MyDocument.h */; };
+		1B8243DC07BF867300279D6D /* MyDocument.m in Sources */ = {isa = PBXBuildFile; fileRef = 1B8243D407BF867300279D6D /* MyDocument.m */; };
+		1B82478807BF8A7000279D6D /* LeanCalc_Prefix.pch in Resources */ = {isa = PBXBuildFile; fileRef = 1B82478707BF8A7000279D6D /* LeanCalc_Prefix.pch */; };
+		1BC8F6E107B9782800987A06 /* help in CopyFiles */ = {isa = PBXBuildFile; fileRef = 1BC8F59807B9780900987A06 /* help */; };
+		1BFAB21307AED78500C841BA /* libcalc.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 1BFAB21207AED78500C841BA /* libcalc.a */; };
+		1BFAB26707AEE8C900C841BA /* libcustcalc.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 1BFAB26607AEE8C900C841BA /* libcustcalc.a */; };
+		8D15AC2C0486D014006FF6A4 /* Credits.rtf in Resources */ = {isa = PBXBuildFile; fileRef = 2A37F4B9FDCFA73011CA2CEA /* Credits.rtf */; };
+		8D15AC2D0486D014006FF6A4 /* MainMenu.nib in Resources */ = {isa = PBXBuildFile; fileRef = 2A37F4B6FDCFA73011CA2CEA /* MainMenu.nib */; };
+		8D15AC2E0486D014006FF6A4 /* MyDocument.nib in Resources */ = {isa = PBXBuildFile; fileRef = 2A37F4B4FDCFA73011CA2CEA /* MyDocument.nib */; };
+		8D15AC2F0486D014006FF6A4 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 089C165FFE840EACC02AAC07 /* InfoPlist.strings */; };
+		8D15AC340486D014006FF6A4 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7A7FEA54F5311CA2CBB /* Cocoa.framework */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXBuildStyle section */
+		4A9504D0FFE6A4CB11CA0CBA /* Development */ = {
+			isa = PBXBuildStyle;
+			buildSettings = {
+				COPY_PHASE_STRIP = NO;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				HEADER_SEARCH_PATHS = (
+					Calc,
+					Sources,
+				);
+				ZERO_LINK = YES;
+			};
+			name = Development;
+		};
+		4A9504D1FFE6A4CB11CA0CBA /* Deployment */ = {
+			isa = PBXBuildStyle;
+			buildSettings = {
+				COPY_PHASE_STRIP = YES;
+				GCC_ENABLE_FIX_AND_CONTINUE = NO;
+				HEADER_SEARCH_PATHS = (
+					Calc,
+					Sources,
+				);
+				ZERO_LINK = NO;
+			};
+			name = Deployment;
+		};
+/* End PBXBuildStyle section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		1BC8F40907B8A3F700987A06 /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 7;
+			files = (
+				1BC8F6E107B9782800987A06 /* help in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		089C1660FE840EACC02AAC07 /* English */ = {isa = PBXFileReference; fileEncoding = 10; lastKnownFileType = text.plist.strings; name = English; path = English.lproj/InfoPlist.strings; sourceTree = "<group>"; };
+		1058C7A7FEA54F5311CA2CBB /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = /System/Library/Frameworks/Cocoa.framework; sourceTree = "<absolute>"; };
+		1B8243BC07BF863600279D6D /* Calculations.icns */ = {isa = PBXFileReference; lastKnownFileType = image.icns; name = Calculations.icns; path = "Icon Artwork/Calculations.icns"; sourceTree = "<group>"; };
+		1B8243BD07BF863600279D6D /* LeanCalc.icns */ = {isa = PBXFileReference; lastKnownFileType = image.icns; name = LeanCalc.icns; path = "Icon Artwork/LeanCalc.icns"; sourceTree = "<group>"; };
+		1B8243C807BF866200279D6D /* main.m */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.objc; name = main.m; path = Sources/main.m; sourceTree = "<group>"; };
+		1B8243CD07BF867300279D6D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = AppDelegate.h; path = Sources/AppDelegate.h; sourceTree = "<group>"; };
+		1B8243CE07BF867300279D6D /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.objc; name = AppDelegate.m; path = Sources/AppDelegate.m; sourceTree = "<group>"; };
+		1B8243CF07BF867300279D6D /* Calculation.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = Calculation.h; path = Sources/Calculation.h; sourceTree = "<group>"; };
+		1B8243D007BF867300279D6D /* Calculation.m */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.objc; name = Calculation.m; path = Sources/Calculation.m; sourceTree = "<group>"; };
+		1B8243D107BF867300279D6D /* CmdKeyInterceptApplication.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = CmdKeyInterceptApplication.h; path = Sources/CmdKeyInterceptApplication.h; sourceTree = "<group>"; };
+		1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.objc; name = CmdKeyInterceptApplication.m; path = Sources/CmdKeyInterceptApplication.m; sourceTree = "<group>"; };
+		1B8243D307BF867300279D6D /* MyDocument.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = MyDocument.h; path = Sources/MyDocument.h; sourceTree = "<group>"; };
+		1B8243D407BF867300279D6D /* MyDocument.m */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.objc; name = MyDocument.m; path = Sources/MyDocument.m; sourceTree = "<group>"; };
+		1B82478707BF8A7000279D6D /* LeanCalc_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = LeanCalc_Prefix.pch; sourceTree = "<group>"; };
+		1BC8F59807B9780900987A06 /* help */ = {isa = PBXFileReference; lastKnownFileType = folder; path = help; sourceTree = "<group>"; };
+		1BFAB21207AED78500C841BA /* libcalc.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libcalc.a; path = Calc/libcalc.a; sourceTree = "<group>"; };
+		1BFAB26607AEE8C900C841BA /* libcustcalc.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libcustcalc.a; path = Calc/libcustcalc.a; sourceTree = "<group>"; };
+		2A37F4B5FDCFA73011CA2CEA /* English */ = {isa = PBXFileReference; lastKnownFileType = wrapper.nib; name = English; path = English.lproj/MyDocument.nib; sourceTree = "<group>"; };
+		2A37F4B7FDCFA73011CA2CEA /* English */ = {isa = PBXFileReference; lastKnownFileType = wrapper.nib; name = English; path = English.lproj/MainMenu.nib; sourceTree = "<group>"; };
+		2A37F4BAFDCFA73011CA2CEA /* English */ = {isa = PBXFileReference; lastKnownFileType = text.rtf; name = English; path = English.lproj/Credits.rtf; sourceTree = "<group>"; };
+		2A37F4C4FDCFA73011CA2CEA /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = /System/Library/Frameworks/AppKit.framework; sourceTree = "<absolute>"; };
+		2A37F4C5FDCFA73011CA2CEA /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = /System/Library/Frameworks/Foundation.framework; sourceTree = "<absolute>"; };
+		8D15AC360486D014006FF6A4 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
+		8D15AC370486D014006FF6A4 /* LeanCalc.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = LeanCalc.app; sourceTree = BUILT_PRODUCTS_DIR; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		8D15AC330486D014006FF6A4 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8D15AC340486D014006FF6A4 /* Cocoa.framework in Frameworks */,
+				1BFAB21307AED78500C841BA /* libcalc.a in Frameworks */,
+				1BFAB26707AEE8C900C841BA /* libcustcalc.a in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		1058C7A6FEA54F5311CA2CBB /* Linked Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				1BFAB21207AED78500C841BA /* libcalc.a */,
+				1BFAB26607AEE8C900C841BA /* libcustcalc.a */,
+				1058C7A7FEA54F5311CA2CBB /* Cocoa.framework */,
+			);
+			name = "Linked Frameworks";
+			sourceTree = "<group>";
+		};
+		1058C7A8FEA54F5311CA2CBB /* Other Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				2A37F4C5FDCFA73011CA2CEA /* Foundation.framework */,
+				2A37F4C4FDCFA73011CA2CEA /* AppKit.framework */,
+			);
+			name = "Other Frameworks";
+			sourceTree = "<group>";
+		};
+		19C28FB0FE9D524F11CA2CBB /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				8D15AC370486D014006FF6A4 /* LeanCalc.app */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		2A37F4AAFDCFA73011CA2CEA /* LeanCalc */ = {
+			isa = PBXGroup;
+			children = (
+				2A37F4ABFDCFA73011CA2CEA /* Classes */,
+				2A37F4AFFDCFA73011CA2CEA /* Other Sources */,
+				2A37F4B8FDCFA73011CA2CEA /* Resources */,
+				2A37F4C3FDCFA73011CA2CEA /* Frameworks */,
+				19C28FB0FE9D524F11CA2CBB /* Products */,
+			);
+			name = LeanCalc;
+			sourceTree = "<group>";
+		};
+		2A37F4ABFDCFA73011CA2CEA /* Classes */ = {
+			isa = PBXGroup;
+			children = (
+				1B8243CD07BF867300279D6D /* AppDelegate.h */,
+				1B8243CE07BF867300279D6D /* AppDelegate.m */,
+				1B8243CF07BF867300279D6D /* Calculation.h */,
+				1B8243D007BF867300279D6D /* Calculation.m */,
+				1B8243D107BF867300279D6D /* CmdKeyInterceptApplication.h */,
+				1B8243D207BF867300279D6D /* CmdKeyInterceptApplication.m */,
+				1B8243D307BF867300279D6D /* MyDocument.h */,
+				1B8243D407BF867300279D6D /* MyDocument.m */,
+			);
+			name = Classes;
+			sourceTree = "<group>";
+		};
+		2A37F4AFFDCFA73011CA2CEA /* Other Sources */ = {
+			isa = PBXGroup;
+			children = (
+				1B8243C807BF866200279D6D /* main.m */,
+				1B82478707BF8A7000279D6D /* LeanCalc_Prefix.pch */,
+			);
+			name = "Other Sources";
+			sourceTree = "<group>";
+		};
+		2A37F4B8FDCFA73011CA2CEA /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				1B8243BC07BF863600279D6D /* Calculations.icns */,
+				1B8243BD07BF863600279D6D /* LeanCalc.icns */,
+				1BC8F59807B9780900987A06 /* help */,
+				2A37F4B9FDCFA73011CA2CEA /* Credits.rtf */,
+				2A37F4B6FDCFA73011CA2CEA /* MainMenu.nib */,
+				2A37F4B4FDCFA73011CA2CEA /* MyDocument.nib */,
+				8D15AC360486D014006FF6A4 /* Info.plist */,
+				089C165FFE840EACC02AAC07 /* InfoPlist.strings */,
+			);
+			name = Resources;
+			sourceTree = "<group>";
+		};
+		2A37F4C3FDCFA73011CA2CEA /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				1058C7A6FEA54F5311CA2CBB /* Linked Frameworks */,
+				1058C7A8FEA54F5311CA2CBB /* Other Frameworks */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		8D15AC270486D014006FF6A4 /* LeanCalc */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 1BCC418209F8D0C800F1AC9F /* Build configuration list for PBXNativeTarget "LeanCalc" */;
+			buildPhases = (
+				1B82477B07BF8A3100279D6D /* ShellScript */,
+				8D15AC2B0486D014006FF6A4 /* Resources */,
+				8D15AC300486D014006FF6A4 /* Sources */,
+				8D15AC330486D014006FF6A4 /* Frameworks */,
+				1BC8F40907B8A3F700987A06 /* CopyFiles */,
+			);
+			buildRules = (
+			);
+			buildSettings = {
+				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = LeanCalc_Prefix.pch;
+				INFOPLIST_FILE = Info.plist;
+				INSTALL_PATH = "$(HOME)/Applications";
+				LIBRARY_SEARCH_PATHS = calc;
+				PRODUCT_NAME = LeanCalc;
+				WRAPPER_EXTENSION = app;
+			};
+			dependencies = (
+			);
+			name = LeanCalc;
+			productInstallPath = "$(HOME)/Applications";
+			productName = LeanCalc;
+			productReference = 8D15AC370486D014006FF6A4 /* LeanCalc.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		2A37F4A9FDCFA73011CA2CEA /* Project object */ = {
+			isa = PBXProject;
+			buildConfigurationList = 1BCC418609F8D0C800F1AC9F /* Build configuration list for PBXProject "LeanCalc" */;
+			buildSettings = {
+			};
+			buildStyles = (
+				4A9504D0FFE6A4CB11CA0CBA /* Development */,
+				4A9504D1FFE6A4CB11CA0CBA /* Deployment */,
+			);
+			hasScannedForEncodings = 1;
+			mainGroup = 2A37F4AAFDCFA73011CA2CEA /* LeanCalc */;
+			projectDirPath = "";
+			targets = (
+				8D15AC270486D014006FF6A4 /* LeanCalc */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		8D15AC2B0486D014006FF6A4 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8D15AC2C0486D014006FF6A4 /* Credits.rtf in Resources */,
+				8D15AC2D0486D014006FF6A4 /* MainMenu.nib in Resources */,
+				8D15AC2E0486D014006FF6A4 /* MyDocument.nib in Resources */,
+				8D15AC2F0486D014006FF6A4 /* InfoPlist.strings in Resources */,
+				1B8243BE07BF863600279D6D /* Calculations.icns in Resources */,
+				1B8243BF07BF863600279D6D /* LeanCalc.icns in Resources */,
+				1B8243D507BF867300279D6D /* AppDelegate.h in Resources */,
+				1B8243D707BF867300279D6D /* Calculation.h in Resources */,
+				1B8243D907BF867300279D6D /* CmdKeyInterceptApplication.h in Resources */,
+				1B8243DB07BF867300279D6D /* MyDocument.h in Resources */,
+				1B82478807BF8A7000279D6D /* LeanCalc_Prefix.pch in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXShellScriptBuildPhase section */
+		1B82477B07BF8A3100279D6D /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "ranlib calc/*.a";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		8D15AC300486D014006FF6A4 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				1B8243CA07BF866200279D6D /* main.m in Sources */,
+				1B8243D607BF867300279D6D /* AppDelegate.m in Sources */,
+				1B8243D807BF867300279D6D /* Calculation.m in Sources */,
+				1B8243DA07BF867300279D6D /* CmdKeyInterceptApplication.m in Sources */,
+				1B8243DC07BF867300279D6D /* MyDocument.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin PBXVariantGroup section */
+		089C165FFE840EACC02AAC07 /* InfoPlist.strings */ = {
+			isa = PBXVariantGroup;
+			children = (
+				089C1660FE840EACC02AAC07 /* English */,
+			);
+			name = InfoPlist.strings;
+			sourceTree = "<group>";
+		};
+		2A37F4B4FDCFA73011CA2CEA /* MyDocument.nib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				2A37F4B5FDCFA73011CA2CEA /* English */,
+			);
+			name = MyDocument.nib;
+			sourceTree = "<group>";
+		};
+		2A37F4B6FDCFA73011CA2CEA /* MainMenu.nib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				2A37F4B7FDCFA73011CA2CEA /* English */,
+			);
+			name = MainMenu.nib;
+			sourceTree = "<group>";
+		};
+		2A37F4B9FDCFA73011CA2CEA /* Credits.rtf */ = {
+			isa = PBXVariantGroup;
+			children = (
+				2A37F4BAFDCFA73011CA2CEA /* English */,
+			);
+			name = Credits.rtf;
+			sourceTree = "<group>";
+		};
+/* End PBXVariantGroup section */
+
+/* Begin XCBuildConfiguration section */
+		1BCC418309F8D0C800F1AC9F /* Development */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COPY_PHASE_STRIP = NO;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = LeanCalc_Prefix.pch;
+				HEADER_SEARCH_PATHS = (
+					Calc,
+					Sources,
+				);
+				INFOPLIST_FILE = Info.plist;
+				INSTALL_PATH = "$(HOME)/Applications";
+				LIBRARY_SEARCH_PATHS = calc;
+				PRODUCT_NAME = LeanCalc;
+				WRAPPER_EXTENSION = app;
+				ZERO_LINK = YES;
+			};
+			name = Development;
+		};
+		1BCC418409F8D0C800F1AC9F /* Deployment */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COPY_PHASE_STRIP = YES;
+				GCC_ENABLE_FIX_AND_CONTINUE = NO;
+				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = LeanCalc_Prefix.pch;
+				HEADER_SEARCH_PATHS = (
+					Calc,
+					Sources,
+				);
+				INFOPLIST_FILE = Info.plist;
+				INSTALL_PATH = "$(HOME)/Applications";
+				LIBRARY_SEARCH_PATHS = calc;
+				PRODUCT_NAME = LeanCalc;
+				WRAPPER_EXTENSION = app;
+				ZERO_LINK = NO;
+			};
+			name = Deployment;
+		};
+		1BCC418509F8D0C800F1AC9F /* Default */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = LeanCalc_Prefix.pch;
+				INFOPLIST_FILE = Info.plist;
+				INSTALL_PATH = "$(HOME)/Applications";
+				LIBRARY_SEARCH_PATHS = calc;
+				PRODUCT_NAME = LeanCalc;
+				WRAPPER_EXTENSION = app;
+			};
+			name = Default;
+		};
+		1BCC418709F8D0C800F1AC9F /* Development */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
+			};
+			name = Development;
+		};
+		1BCC418809F8D0C800F1AC9F /* Deployment */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = (
+					ppc,
+					i386,
+				);
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
+			};
+			name = Deployment;
+		};
+		1BCC418909F8D0C800F1AC9F /* Default */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
+			};
+			name = Default;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		1BCC418209F8D0C800F1AC9F /* Build configuration list for PBXNativeTarget "LeanCalc" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				1BCC418309F8D0C800F1AC9F /* Development */,
+				1BCC418409F8D0C800F1AC9F /* Deployment */,
+				1BCC418509F8D0C800F1AC9F /* Default */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Default;
+		};
+		1BCC418609F8D0C800F1AC9F /* Build configuration list for PBXProject "LeanCalc" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				1BCC418709F8D0C800F1AC9F /* Development */,
+				1BCC418809F8D0C800F1AC9F /* Deployment */,
+				1BCC418909F8D0C800F1AC9F /* Default */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Default;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 2A37F4A9FDCFA73011CA2CEA /* Project object */;
+}
diff --git a/Sources/Calculation.m b/Sources/Calculation.m
index 9f9af92..fb046b4 100644
--- a/Sources/Calculation.m
+++ b/Sources/Calculation.m
@@ -35,6 +35,7 @@
 	
 	[expression release];
 	[next release];
+	[super dealloc];
 }
 
 
diff --git a/Sources/MyDocument.h b/Sources/MyDocument.h
index 78632e8..18b1cab 100644
--- a/Sources/MyDocument.h
+++ b/Sources/MyDocument.h
@@ -22,6 +22,6 @@
 - (IBAction)commit:(id)sender;
 - (void)addItem;
 - (BOOL)lastItemIsSelected;
-- (void)insertPrevious:(id)sender;
+- (void)insertPrevious:(NSNumber *)sender;
 
 @end
diff --git a/Sources/MyDocument.m b/Sources/MyDocument.m
index 6791d37..76f6e6c 100644
--- a/Sources/MyDocument.m
+++ b/Sources/MyDocument.m
@@ -29,6 +29,7 @@
 
 - (void)dealloc {
 	[calculations release];
+	[super dealloc];
 }
 
 
@@ -66,11 +67,11 @@
 
 - (void)addItem {
 
-	[arrayController add:self];
+	Calculation *newcalc = [[[Calculation alloc] init] autorelease];
+	[arrayController addObject:newcalc];
 	int count = [calculations count];
-	id last = [calculations objectAtIndex:count - 1];
 	id secondtolast = [calculations objectAtIndex:count - 2];
-	[secondtolast setValue:last forKey:@"next"];
+	[secondtolast setValue:newcalc forKey:@"next"];
 	
 }
 
diff --git a/calc/calc-ml.diff b/calc/calc-ml.diff
index 1f85fac..b10b95a 100644
--- a/calc/calc-ml.diff
+++ b/calc/calc-ml.diff
@@ -1,7 +1,6 @@
-Only in calc-2.11.10.1-ml/: .hsrc
 diff -ru calc-2.11.10.1/Makefile calc-2.11.10.1-ml/Makefile
---- calc-2.11.10.1/Makefile	Thu Jul 29 07:18:56 2004
-+++ calc-2.11.10.1-ml/Makefile	Tue Feb  1 22:58:07 2005
+--- calc-2.11.10.1/Makefile	2004-07-29 07:18:56.000000000 +0200
++++ calc-2.11.10.1-ml/Makefile	2006-04-21 11:02:25.000000000 +0200
 @@ -670,7 +670,7 @@
  #
  # If in doubt, use T=
@@ -11,80 +10,20 @@ diff -ru calc-2.11.10.1/Makefile calc-2.11.10.1-ml/Makefile
  
  # where man pages are installed
  #
-@@ -999,7 +999,7 @@
+@@ -999,8 +999,8 @@
  CCOPT= ${DEBUG} ${NO_SHARED}
  CCMISC=
  #
 -CFLAGS= -DCALC_SRC ${CCWARN} ${CCOPT} ${CCMISC}
-+CFLAGS= -DHAVE_SNPRINTF -DCALC_SRC ${CCWARN} ${CCOPT} ${CCMISC}
- ICFLAGS= -DCALC_SRC ${CCWARN} ${CCMISC}
+-ICFLAGS= -DCALC_SRC ${CCWARN} ${CCMISC}
++CFLAGS= -arch ppc -arch i386 -DHAVE_SNPRINTF -DCALC_SRC ${CCWARN} ${CCOPT} ${CCMISC}
++ICFLAGS= -arch ppc -arch i386 -DCALC_SRC ${CCWARN} ${CCMISC}
  #
  LDFLAGS= ${NO_SHARED} ${LD_NO_SHARED}
-Only in calc-2.11.10.1-ml/: align32.h
-Only in calc-2.11.10.1-ml/: args.h
-Only in calc-2.11.10.1-ml/cal: .all
-Only in calc-2.11.10.1-ml/: calc
-Only in calc-2.11.10.1-ml/: calc.1
-Only in calc-2.11.10.1-ml/: calcerr.c
-Only in calc-2.11.10.1-ml/: calcerr.h
-Only in calc-2.11.10.1-ml/: conf.h
-Only in calc-2.11.10.1-ml/cscript: .all
-Only in calc-2.11.10.1-ml/cscript: 4dsphere
-Only in calc-2.11.10.1-ml/cscript: fproduct
-Only in calc-2.11.10.1-ml/cscript: mersenne
-Only in calc-2.11.10.1-ml/cscript: piforever
-Only in calc-2.11.10.1-ml/cscript: plus
-Only in calc-2.11.10.1-ml/cscript: powerterm
-Only in calc-2.11.10.1-ml/cscript: simple
-Only in calc-2.11.10.1-ml/cscript: square
-Only in calc-2.11.10.1-ml/custom: .all
-Only in calc-2.11.10.1-ml/: endian_calc.h
-Only in calc-2.11.10.1-ml/: fposval.h
-Only in calc-2.11.10.1-ml/: have_const.h
-Only in calc-2.11.10.1-ml/: have_fpos.h
-Only in calc-2.11.10.1-ml/: have_fpos_pos.h
-Only in calc-2.11.10.1-ml/: have_getpgid.h
-Only in calc-2.11.10.1-ml/: have_getprid.h
-Only in calc-2.11.10.1-ml/: have_getsid.h
-Only in calc-2.11.10.1-ml/: have_gettime.h
-Only in calc-2.11.10.1-ml/: have_malloc.h
-Only in calc-2.11.10.1-ml/: have_memmv.h
-Only in calc-2.11.10.1-ml/: have_newstr.h
-Only in calc-2.11.10.1-ml/: have_offscl.h
-Only in calc-2.11.10.1-ml/: have_posscl.h
-Only in calc-2.11.10.1-ml/: have_rusage.h
-Only in calc-2.11.10.1-ml/: have_stdlib.h
-Only in calc-2.11.10.1-ml/: have_strdup.h
-Only in calc-2.11.10.1-ml/: have_string.h
-Only in calc-2.11.10.1-ml/: have_times.h
-Only in calc-2.11.10.1-ml/: have_uid_t.h
-Only in calc-2.11.10.1-ml/: have_unistd.h
-Only in calc-2.11.10.1-ml/: have_unused.h
-Only in calc-2.11.10.1-ml/: have_urandom.h
-Only in calc-2.11.10.1-ml/: have_ustat.h
-Only in calc-2.11.10.1-ml/help: .all
-Only in calc-2.11.10.1-ml/help: binding
-Only in calc-2.11.10.1-ml/help: bindings
-Only in calc-2.11.10.1-ml/help: bug
-Only in calc-2.11.10.1-ml/help: bugs
-Only in calc-2.11.10.1-ml/help: builtin
-Only in calc-2.11.10.1-ml/help: calc
-Only in calc-2.11.10.1-ml/help: change
-Only in calc-2.11.10.1-ml/help: changes
-Only in calc-2.11.10.1-ml/help: copy
-Only in calc-2.11.10.1-ml/help: cscript
-Only in calc-2.11.10.1-ml/help: custom_cal
-Only in calc-2.11.10.1-ml/help: errorcode
-Only in calc-2.11.10.1-ml/help: errorcodes
-Only in calc-2.11.10.1-ml/help: full
-Only in calc-2.11.10.1-ml/help: libcalc
-Only in calc-2.11.10.1-ml/help: new_custom
-Only in calc-2.11.10.1-ml/help: resource
-Only in calc-2.11.10.1-ml/help: type
-Only in calc-2.11.10.1-ml/: longbits.h
+ ILDFLAGS=
 diff -ru calc-2.11.10.1/math_error.c calc-2.11.10.1-ml/math_error.c
---- calc-2.11.10.1/math_error.c	Sat Mar 17 22:55:52 2001
-+++ calc-2.11.10.1-ml/math_error.c	Tue Feb  1 23:18:28 2005
+--- calc-2.11.10.1/math_error.c	2001-03-17 22:55:52.000000000 +0100
++++ calc-2.11.10.1-ml/math_error.c	2006-04-21 11:01:54.000000000 +0200
 @@ -76,7 +76,7 @@
   */
  jmp_buf calc_jmp_buf;
@@ -95,8 +34,8 @@ diff -ru calc-2.11.10.1/math_error.c calc-2.11.10.1-ml/math_error.c
  
  /*
 diff -ru calc-2.11.10.1/math_error.h calc-2.11.10.1-ml/math_error.h
---- calc-2.11.10.1/math_error.h	Fri Jun  8 23:00:58 2001
-+++ calc-2.11.10.1-ml/math_error.h	Tue Feb  1 23:18:43 2005
+--- calc-2.11.10.1/math_error.h	2001-06-08 23:00:58.000000000 +0200
++++ calc-2.11.10.1-ml/math_error.h	2006-04-21 11:01:54.000000000 +0200
 @@ -43,6 +43,8 @@
  /*
   * Global data definitions.
@@ -106,13 +45,9 @@ diff -ru calc-2.11.10.1/math_error.h calc-2.11.10.1-ml/math_error.h
  extern DLL jmp_buf jmpbuf;		/* for errors */
  
  
-Only in calc-2.11.10.1-ml/sample: .all
-Only in calc-2.11.10.1-ml/sample: many_random
-Only in calc-2.11.10.1-ml/sample: test_random
-Only in calc-2.11.10.1-ml/: terminal.h
 diff -ru calc-2.11.10.1/token.c calc-2.11.10.1-ml/token.c
---- calc-2.11.10.1/token.c	Sat Mar 17 22:55:52 2001
-+++ calc-2.11.10.1-ml/token.c	Tue Feb  1 23:19:13 2005
+--- calc-2.11.10.1/token.c	2001-03-17 22:55:52.000000000 +0100
++++ calc-2.11.10.1-ml/token.c	2006-04-21 11:01:54.000000000 +0200
 @@ -702,6 +702,8 @@
  }
  
diff --git a/calc/libcalc.a b/calc/libcalc.a
index 30144f6..87d1119 100644
Binary files a/calc/libcalc.a and b/calc/libcalc.a differ
diff --git a/calc/libcustcalc.a b/calc/libcustcalc.a
index e8eb158..16362eb 100644
Binary files a/calc/libcustcalc.a and b/calc/libcustcalc.a differ