/* Exercise 1-3. Modify the temperature conversion program to print a heading
    above the table. */
#include <stdio.h>

/* print Fahrenheit-Celsius table
    for fahr = 0, 20, ..., 300; floating-point version */
main()
{
    float fahr, celsius;
    int lower, upper, step;

    lower = 0;      /* lower limit of temperature table */
    upper = 300;    /* upper limit */
    step = 20;      /* step size */

    printf("Fahr Celsius\n");
    fahr = lower;
    while (fahr <= upper) {
        celsius = (5.0/9.0) * (fahr-32.0);
        printf("%4.0f %7.1f\n", fahr, celsius);
        fahr = fahr + step;
    }
}