Item | Value |
Header file | math.h |
Declaration | float sqrtf(float num); double sqrt(double num); long double sqrtl(long double num); |
Return | returns the square root of num. |
#include <math.h> #include <stdio.h> int main(void) { printf("%f", sqrt(16.0)); }
4.000000
19.66.sqrt | ||||
19.66.1. | sqrt |