Calculator.c

#include <stdio.h>
#include <conio.h>

int main()
{
    int number1, number2, addition, subtraction, selection;

    printf("Enter Number 1 : ");
    scanf("%d", &number1);

    printf("Enter Number 2 : ");
    scanf("%d", &number2);

    printf("1 Addition\n");
    printf("2 Subtraction\n");
    printf("3 Multiplication\n");
    printf("4 Division\n");
    printf("Select Operator No. :");
    scanf("%d", &selection);

    if (selection == 1)
    {
        printf("Addition: %d", number1 + number2);
    }

    else if (selection == 2)
    {
        printf("Subtraction: %d", number1 - number2);
    }

    else if (selection == 3)
    {
        printf("Multiplication: %d", number1 * number2);
    }

    else if (selection == 4)
    {
        if (number2 == 0)
        {
            printf("Zero not allowed");
        }
        else
        {
            printf("Division: %d", number1 / number2);
        }
    }

    return 0;
}