第二章例2-6

#include<stdio.h>
int main(void)
{
	int fahr,lower,upper;
	double celsius;

	printf("Enter lower:");
	scanf("%d",&lower);
	printf("Enter upper:");
	scanf("%d",&upper);
	printf("fahr celsius\n");

	for(fahr=lower;fahr<=upper;fahr++){
	   celsius=(5.0/9.0)*(fahr-32);
	   printf("%d%6.lf\n",fahr,celsius);
	}

	return 0;