text: #include <stdio.h>
  
  void temp();
  
  int main()
  {
      temp();
  }
  
  void temp()
  {
      float fahr, celsius;
      int lower, upper, step;
  
      lower = 0;
      upper = 300;
      step = 20;
  
      fahr = lower;
      while (fahr <= upper)
      {
          celsius = (5.0/9.0) * (fahr - 32.0);
          printf("%3.0f \t %6.1f\n", fahr, celsius);
          fahr = fahr + step;
      }
      return 0;
  }
  