text: #include <stdio.h>
  
  /* print Celsius to Fahrenheit  table
   * for Fahrenheit 0, 20, ..., 300 */
  int main() 
  {
      float fahr;
      float cel;
      int lower;
      int upper;
      int step;
  
      lower = 0; /* lower bound for the table */
      upper = 150; /* upper bound for the table */
      step = 10; /* amount to step by */
  
      printf("%6s\t%5s\n", "C", "F");
      /* printf(" C \t"); */
      /* printf("   F   \n"); */
      cel = lower;
      while (cel <= upper) {
          fahr = (9.0 / 5.0 * cel) + 32.0;
          /* cel = (5.0 / 9.0) * (fahr - 32.0); */
          printf("%6.0f\t%5.1f\n", cel, fahr);
          cel += step;
      }
  }
  