Question

usingc++

Answer 1

#include <iostream>

using namespace std;

double Sum(double n1, double n2) {
    return n1 + n2;
}

double Subtraction(double n1, double n2) {
    return n1 - n2;
}

double Multiplication(double n1, double n2) {
    return n1 * n2;
}

double Division(double n1, double n2) {
    return n1 / n2;
}

int main() {
    double n1, n2;
    char op;
    cout << "Enter first number: ";
    cin >> n1;
    cout << "Enter operator: ";
    cin >> op;
    cout << "Enter second number: ";
    cin >> n2;

    switch(op) {
        case '+':
            cout << n1 << " = " << n2 << " = " << Sum(n1, n2) << endl;
            break;
        case '-':
            cout << n1 << " = " << n2 << " = " << Subtraction(n1, n2) << endl;
            break;
        case '*':
            cout << n1 << " = " << n2 << " = " << Multiplication(n1, n2) << endl;
            break;
        case '/':
            if (n2 == 0) {
                cout << "Denominator can't be zero" << endl;
            }
            cout << n1 << " = " << n2 << " = " << Division(n1, n2) << endl;
            break;
        default:
            cout << "Invalid operator" << endl;
            break;
    }
    return 0;
}