sqrt(3)

NAME
     sqrt, cbrt - square root, cube root

SYNOPSIS
     #include <math.h>

     double sqrt(double x)
     double cbrt(double x)

DESCRIPTION
     Sqrt(x) returns the square root of x.

     Cbrt(x) returns the cube root of x.

DIAGNOSTICS
     sqrt(+0) = +0 (exact)
     sqrt(Inf) = Inf
     sqrt(x) = NaN with invalid signal if x < 0.
     sqrt(NaN) = NaN with invalid signal for signaling NaN.

SEE ALSO
     math(3).

AUTHOR
     W. Kahan