1-7

#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%6.1f\n",fahr,celsius);
}

return 0;
}