abs

#include<stdio.h>
#include<math.h>
 
main()
{
   int number, result;
 
   printf("Enter a number to calculate it's absolute value");
   scanf("%d",&number);
 
   result = abs(number);
 
   printf("Absolute value of %d = %d", number, result);
 
   getch();
   return 0;
}