U23AE1034_ConsoleCalc

[olad-emma]

import java.util.Scanner;

public class ConsoleCalculatorForAed4 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("Welcome to Console Calculator! By Aerospace Group4");

    while (true) {
        System.out.println("\nSelect an operation:");
        System.out.println("+ for Addition");
        System.out.println("- for Subtraction");
        System.out.println("* for Multiplication");
        System.out.println("/ for Division");
        System.out.println("^ for Exponentiation");
        System.out.println("% for Modulo");
        System.out.println("√ for Square Root");
        System.out.print("Enter your choice: ");
        
        char operator = scanner.next().charAt(0);
        double num1 = 0, num2 = 0, result = 0;
        boolean validOperation = true;

        if (operator == '√') {  
            System.out.print("Enter the number: ");
            num1 = scanner.nextDouble();
            if (num1 >= 0) {
                result = Math.sqrt(num1);
            } else {
                System.out.println("Error: Cannot calculate square root of a negative number.");
                validOperation = false;
            }
        } else {
            System.out.print("Enter first number: ");
            num1 = scanner.nextDouble();

            System.out.print("Enter second number: ");
            num2 = scanner.nextDouble();

            switch (operator) {
                case '+':
                    result = num1 + num2;
                    break;
                case '-':
                    result = num1 - num2;
                    break;
                case '*':
                    result = num1 * num2;
                    break;
                case '/':
                    if (num2 != 0) {
                        result = num1 / num2;
                    } else {
                        System.out.println("Error: Division by zero.");
                        validOperation = false;
                    }
                    break;
                case '^':
                    result = Math.pow(num1, num2);
                    break;
                case '%':
                    if (num2 != 0) {
                        result = num1 % num2;
                    } else {
                        System.out.println("Error: Modulo by zero is not allowed.");
                        validOperation = false;
                    }
                    break;
                default:
                    System.out.println("Invalid operator.");
                    validOperation = false;
            }
        }

        if (validOperation) {
            System.out.println("Result: " + result);
        }

        System.out.print("\nDo you want to perform another calculation? (yes/no): ");
        String choice = scanner.next().toLowerCase();

        if (!choice.equals("yes")) {
            System.out.println("Thank you for using Our Console Calculator. Bye 👋🏼");
            break;
        }
    }

    scanner.close();
}

}