106. Calculator

 #include<stdio.h>

char ch;

int num1,num2,num3=0;

void main()

{

    printf("Basic Calculator \n");

    printf("Enter the number 1 : ");

    scanf("%d",&num1);

    printf("Enter the number 2 : ");

    scanf("%d",&num2);

    printf(" + Addition\n - Subtraction\n * Multiplication\n / Division\nEnter the operation : ");

    scanf(" %c",&ch);

    switch(ch)

    {

        case '+' :

                num3=num1+num2;

                printf("%d\n",num3);

                break;

 

        case '-' :

                num3=num1-num2;

                printf("%d\n",num3);

                break;

 

        case '*' :

                num3=num1*num2;

                printf("%d\n",num3);

                break;

 

        case '/' :

                num3=num1/num2;

                printf("%d\n",num3);

                break;

 

        default :

                printf("Invalid Input\n");

 

    }

 

}