Q4. Write a c program to convert the temperature from celsius to fahrenheit and vice- versa.

celsius to fahrenheit and vice- versa:-
#include<stdio.h>
#include<conio.h>

void main()
{
float f,c;
char key;

clrscr();
printf("Enter F = Fahrenheit or \n C = Celsius.");



printf("Enter:-");
scanf("%c",&key);

if((key == 'C')||(key == 'c'))
{
printf("\n Enter Fahrenhit number=");
scanf("%f",&f);

c = (f-32.0)/1.8;

printf("Celsius = %f",c);
}

else if((key == 'C')||(key == 'c'))
{
printf("\n Enter Celsius number=");
scanf("%f",&c);

f = ((c*1.8)+32.0);

printf("Fahrenhit = %f",f);
}

else
{
printf("Your Input is worng Press.");
}
getch();
}

<b><u>Note:-</u></b>
Here,
f for Fahrenhit,
c for Celsius and
key for another one veriable.

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