main.java

import java.util.*;
import java.io.*;

public class main {

    public static Scanner scan = new Scanner(System.in);

    public static void main(String[] args) {
        // flag for infinite loop
        boolean flag = true;
        while (flag == true) {
            System.out.println(
                    "Welcome to MATHEMATICA!!\nChoose the following options:\n(1):Find the value of a number squared\n(2):Find the value of a number cubed\n(3):Find the value of a number at any power\n(4):Exit");
            int choice = scan.nextInt();
        int value;
            System.out.println("You have chosen the option -> (" + choice + ")");
            switch (choice) {
                case 1:
                    System.out.println("Please enter the value you wish to be squared");
                    value = scan.nextInt();
                    System.out.println("The squared value of " + value + " is " + (value * value)+"\n");
                    break;

                case 2:
                    System.out.println("Please enter the value you wish to be cubed");
                    value = scan.nextInt();
                    System.out.println("The cubed value of " + value + " is " + (value * value * value)+"\n");
                    break;
                case 3:
                    System.out.println("Please enter the value you wish to find the power of");
                    int base = scan.nextInt();
                    System.out.println("Please enter the power");
                    int power = scan.nextInt();
                    System.out.println("The squared value of " + base + " is " + Math.pow(base,power )+"\n");
                    break;
                case 4:
                    System.out.println("Thank you for using the service\nProgram terminating\n..........."+"\n");
                    flag = false;
                    break;
                default:
                    System.out.println("Please enter a valid option"+"\n");
                    break;
            }
        }
    }
}