text: #include <stdio.h>
  
  #define LOWER 0		/* lower limit of the table */
  #define UPPER 300	/* upper limit of the table */
  #define STEP  20	/* step size */
  
  int main() {
  	
  	int fahr;
  	
  	printf("Fahrenhein\tCelsius\n");
  	for (fahr = LOWER; fahr <= UPPER; fahr = fahr + STEP) {
  		printf("%3d\t\t%6.1f\n", fahr, (5.0/9.0) * (fahr-32.0));
  	}
  	
  	return 0;
  }
  