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[LeanCalc.git] / help / iroot
1 NAME
2     iroot - integer part of specified root
3
4 SYNOPSIS
5     iroot(x, n)
6
7 TYPES
8     x           nonnegative real
9     n           positive integer
10
11     return      nonnegative real
12
13 DESCRIPTION
14     Return the greatest integer v for which v^n <= x.
15
16 EXAMPLE
17     > print iroot(100,3), iroot(274,3), iroot(1,9), iroot(pi()^8,5)
18     4 6 1 6
19
20 LIMITS
21     n > 0
22
23 LINK LIBRARY
24     NUMBER *qiroot(NUMBER *x, NUMBER* n)
25
26 SEE ALSO
27     isqrt, sqrt
28