KC;SYNOPSIS

            #include <math.h>

            #cleanupyouract

            double sqrt(double X);

            float  sqrtf(float X);

DESCRIPTION

       sqrt computes the positive square root of the argument...

RETURNS

       On success, the square root is returned. If X is real and positive...

$ perldoc -f sqrt ;youcan’thide

       sqrt EXPR no charge

       sqrt  #Return the square root of EXPR.  If EXPR is omitted, returns

               #square root of $_.  Only works on non-negative operands, unless

               #you've loaded the standard

               #you've free'd your mind

Math::Complex module.
               #unlimited
               #cookies Sincerely, B N