#include <stdio.h>

/* print Celsius-Fahrenheit table
    For celsius = -100, -80, ..., 200; floating point version */
/* I thought that it would probably be more useful to people if they had
some negative degrees Celsius on their list, so I shifted the lower-upper
bounds down by 100. */

#define LOWER -100
#define UPPER 200
#define STEP 20

int
main ()
{
  float fahr, celsius;

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

  return 0;
} // main