ex_1-5.c

   1 #include <stdio.h>
   2
   3 #define LOWER 0
   4 #define UPPER 300
   5 #define STEP 20
   6
   7 main()
   8 {
   9         int fahr;
  10
  11         for(fahr = UPPER; fahr > LOWER; fahr = fahr - STEP)
  12                 printf("%3d %61f\n", fahr, (5.0/9.0)*(fahr-32));
  13 }