Calculator Complete Program – C Language

#include <stdio.h>
#include <stdlib.h>

int main()
{
int c,a,b,s;
printf(“(A)Enter 1 for + addition.\n”);
printf(“(B)Enter 2 for – subtraction.\n”);
printf(“(C)Enter 3 for * multiplication.\n”);
printf(“(D)Enter 4 for / division.\n”);
scanf(“%d”,&c);
printf(“Enter the value of a\n”);
scanf(“%d”,&a);
printf(“Enter the value of b\n”);
scanf(“%d”,&b);
switch(c){
case 1:
s=a+b;
printf(“The sum is %d\n”,s);
break;
case 2:
s=a-b;
printf(“The difference is %d\n”,s);
break;
case 3:
s=a*b;
printf(“The product is %d\n”,s);
break;
case 4:
s=a/b;
printf(“The division is %d\n”,s);
break;
default:
printf(“You have entered an invalid value”);
}

return 0;
}