#include <stdio.h>
#include <stdlib.h>
#include <math.h>   //include the math library for math functions


int main()
{
    int x=5;
    int y = -1;
    
    
    int sq_x;   
    int sqrt_x;        
    int abs_y;
    
    sq_x = pow(5, 2);  // pow(5,2) is the same as 5*5 or 5^2
    abs_y = abs(y);    // absolute value
    sqrt_x = sqrt(x);  // square root
    
    printf("x squared is: %d\n", sq_x);
    printf("absolute value of y is: %d\n", abs_y);
    printf("square root of x is: %d\n", sqrt_x);
    
    system("pause");
}