C language sqrt() function: calculates the square root of a non-negative real number

Function name : sqrt

Header file : <math.h>

Usage : double sqrt(double x);

Function : Calculate the square root of a non-negative real number

Parameters : double x The non-negative real double precision number to be operated on

Return value : Returns the square root of a non-negative real number

Program example : Find the square root of double precision x and output the result

 #include<stdio.h>#include<math.h>intmain(void){doublex=4.0,result;result=sqrt(x);printf(Thesquarerootof%lfis%lfn,x,result);return0;}

Running results:

 Thesquarerootof4.000000is2.000000