NAME

sqr - square root

SYNOPSIS

double sqr(x)
double x;

DESCRIPTION

Sqr returns sqrt(x), i.e., the square root of x.  The calculation is performed with sqrt (see exp(3)). 

This function implements the BASIC SQR function. 

SEE ALSO

sqr(func)
exp(3) in the UNIX Programmerís Manual

DIAGNOSTICS

Error 5 (Illegal function call) is generated if x is negative. 

from The Basmark QuickBASIC Programmerís Manual by Lawrence Leinweber