华氏——摄氏温度转化表

#include<stdio.h>
int main(void)
{
int fahr,lower,upper;
double celsius;
printf("Enter lower:");
scanf("%d",&lower);
printf("Enter upper:");
scanf("%d",&upper);
if(lower<=upper)
{
printf("fahr celsius\n");
for(fahr=lower;fahr<=upper;fahr++)
{
celsius=(5.0/9.0)*(fahr-32);
printf("%4d%6.1f\n",fahr,celsius);
}
}
else
printf("Invalid Value!\n");
system("pause");
return 0;
}