/*  Example: Better F2C conversion table
	Aithor: Peter Brusilovsky
	Modified version of: K&R2, p.12
	Print Fahrenheit-Celsius table with a border
   	for fahr = 0, 20, ..., 300; floating point version */

#include <stdio.h>
#define LOWER 0
#define UPPER 300
#define STEP  20
#define TABLETOP "+-------------+\n"

void main () {

        float fahr, celsius;

        fahr = LOWER;
        printf("Fahrenheit to Celsius\nTemperature Conversion\n\n");
		printf(TABLETOP);	
		while (fahr <= UPPER) {
                celsius = (5.0 / 9.0) * (fahr - 32.0);
                printf ("| %3.0f  %6.1f |\n", fahr, celsius);
                fahr += STEP;
        }
		printf(TABLETOP);	
}