1 /* 1-3 Modify the temperature conversion program to print a heading above the table */
2 
3 /* 1-4 write a program to print the corresponding celsius to Fahrenheit table */
4 
5 #include <stdio.h>
6 
7 /* print Fahrenheit-Celsius table
8 	for fahr = 0, 20, ..., 300; floating-point version */
9 
10 main()
11 {
12 	float fahr, celsius;
13 	int lower, upper, step;
14 
15 	lower = 0;		/* lower limit of temperature table */
16 	upper = 300;	/* upper limit */
17 	step = 20;		/* step size */
18 
19 	fahr = lower;
20 	printf("Fahr | Celsius\n");
21 	printf("-----+--------\n");
22 	while (fahr <= upper) {
23 		celsius = (5.0/9.0) * (fahr - 32.0);
24 		printf("%4.0f | %6.1f\n", fahr, celsius);
25 		fahr = fahr + step;
26 	}
27 }