1#include "stdio.h"
 2
 3int main()
 4{
 5  int upper = 100;
 6  float celsius = -40, fahrenheit;
 7
 8  printf("Celsius Fahrenheit\n");
 9  while (celsius <= upper) {
10    fahrenheit = ((celsius * 9.0)/5.0) + 32;
11    printf("%7.0f %10.2f\n", celsius, fahrenheit);
12    celsius += 1;
13  }
14}