sqrt : sqrt « math.h « C Tutorial

19.66.1.sqrt

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

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