learn_javascript/new.html at main · brajesh708/learn_javascript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <h1>Welcome to the Calculator App</h1>
    \begin{pre}
    #include <iostream>
    using namespace std;

    int main() {
        double num1, num2, result;
        char operation;

        cout << "Enter first number: ";
        cin >> num1;

        cout << "Enter operator (+, -, *, /): ";
        cin >> operation;

        cout << "Enter second number: ";
        cin >> num2;

        switch(operation) {
            case '+':
                result = num1 + num2;
                break;
            case '-':
                result = num1 - num2;
                break;
            case '*':
                result = num1 * num2;
                break;
            case '/':
                if(num2 != 0) {
                    result = num1 / num2;
                } else {
                    cout << "Error: Division by zero" << endl;
                    return 0;
                }
                break;
            default:
                cout << "Error: Invalid operator" << endl;
                return 0;
        }

        cout << "Result: " << result << endl

        return 0;
        }
        \end{pre}

</body>
</html>