#include<stdio.h>
#include<conio.h>
void main()
{
double temp,ctemp;
int ch;
clrscr(); //to clear the screen
printf("\n\t1.Fahrenheit to Celsius");
printf("\n\t2.Celsius to Fahrenheit");
printf("\nEnter your choice(1/2):");
scanf("%d",&ch);
if(ch==1)
{
printf("Enter Temperature in Fahrenheit:");
scanf("%lf",&temp);
ctemp=(temp-32)/1.8;
printf("\nTemprature in celcius is %lf",ctemp);
}
else
if(ch==2)
{
printf("Enter Temperature in Celsius:");
scanf("%lf",&temp);
ctemp=(1.8*temp)+32;
printf("\nTemperature in Fahrenheit is %lf",ctemp);
}
else
printf("\nWrong choice.....!!");
getch(); //to stop the screen
}