Fahrenheit and Celsius

#include <stdio.h>
#include <math.h>
int main()
{
    int fahr;
    for (fahr = 0; fahr <= 300; fahr = fahr + 10)
    {
        printf("%3d %6.1f\n", fahr, 5.0/9*(fahr-32));
    }
  return 0;
}