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Iroot
Syntax
Iroot(N:INT, R: INT):INT
Summary
integer part of r-th root of an integer
Description
This function computes the R-th root of an integer.  If the argument is
not a perfect R-th power it returns the integer part of the root.

Example

Iroot(25, 2);
5
-------------------------------
Iroot(99, 3);
4
-------------------------------
Iroot(-1, 3);
-1
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See also: