print Fahrenheit-Celsius table with a heading for fahr = 0, 20, ..., 300; floating-point version

#include<stdio.h>

/*
Exercise 1-3.
Modify the temperature conversion program to print
a heading above the table.
*/

/* print Fahrenheit-Celsius table with a heading
for fahr = 0, 20, ..., 300;
floating-point version */

int main()
{
float fahr, celsius;
float lower, upper, step;

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

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

  

OUTPUT:

Fahr                    Centigrade

  0                             -17.8