Usage of sqrt function in C language

Usage of sqrt function in c language

The sqrt function is used to calculate the square root of a non-negative real number. The function prototype of

sqrt: The function prototype of themath.hheader file in VC6.0 isdouble sqrt(double);

Note: sqrt is Square Root Calculations. This operation can test the floating point capability of the CPU.

Header file: math.h

Program example:

#include  #include  int main(void) { double x = 4.0, result; result = sqrt(x); //result*result = x printf("The square root of % is %\n", x, result); return 0; }

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