#include <stdio.h>

/* illustrates i/o of ints and doubles
 * illustrates arithmetic operations
 * fahrcels.c
 */

int main()
{
    int ifahr;
    double dfahr;
    
    printf("enter a Fahrenheit temperature: ");
    scanf("%i", &ifahr);
    printf("\n");

    printf("%i = %i Celsius \n", ifahr, ((ifahr - 32) * 5/9)); /* int computation */
    printf("\n");

    printf("enter another temperature: ");
    scanf("%lf", &dfahr);
    printf("\n");

    printf("%6.2f = %6.2f Celsius \n", dfahr, ((dfahr - 32.0) * 5/9)); /* double comp */
    
    return 0;
}