/*  Example: F2C conversion table
	Source: K&R2, p.12
	Print Fahrenheit-Celsius table
   	for fahr = 0, 20, ..., 300; floating point version */

#include <stdio.h>

main () {

        float fahr, celsius;
        int lower, upper, step;

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

        fahr = lower;
        while (fahr <= upper) {
                celsius = (5.0 / 9.0) * (fahr - 32.0);
                printf ("%3.0f %6.1f\n", fahr, celsius);
                fahr = fahr + step;
        }
}