Write a Calculator program in C.

Arithmetic operations using (switch...........case)

program:

#include<stdio.h> 

void main()

{

    int a,b,res,choice;

    printf("enter two numbers \n"); scanf("%d%d",&a,&b);

    printf(" 1.add \n 2.subract \n 3.multiply \n 4.divide \n"); printf("enter your choice \n");

    scanf("%d",&choice); 

    switch(choice)

    {

        case 1:

        res=a+b;

        printf("the sum of %d and %d is %d \n",a,b,res); break;

        case 2:

        res=a-b;

        printf("the difference of %d and %d is %d \n",a,b,res); break;

        case 3:

        res=a*b;

        printf("the product of %d and %d is %d \n",a,b,res); break;

        case 4:

        res=a/b;

        printf("the division of %d by %d is %d \n",a,b,res); break;

        default:

        printf("you have entered wrong choice\n please... try again\n"); break;

    }

}

output:-