using System;

​

​

public class Program

​

{

​

    public static void Main()

​

    {

​

       double num1= 0; //number1 = 0

​

        double num2= 0;//number2 = 0

​

        string menuChoice = "";

        string myChoice= "";

​

        //Use a Method to Display the Welcome Message: "Fun with Math"

​

 Console.WriteLine("Fun With Math");

​

        //Display a Menu to the User that allows them to select

do

{

        // Print A Menu

​

            Console.WriteLine(" Math Method");

​

            Console.WriteLine("A - Add ");

​

            Console.WriteLine("S - Subtract");

​

            Console.WriteLine("M - Multiply");

​

            Console.WriteLine("Q - Quit\n");

​

            Console.WriteLine("Choice (A,S,M,or Q): ");

​

            // Retrieve the user's choice

            myChoice = Console.ReadLine().ToUpper();

​

​

            // Make a decision based on the user's choice

​

            switch (myChoice)

​

            {

​

                case "A":

​

                    Console.WriteLine("You want to add.");

​

                    break;

​

                case "S":

​

                    Console.WriteLine("You want to subtract.");

​

                    break;

​

                case "M":

​

                    Console.WriteLine("You want to multiply.");

​

                    break;

                default:

​

                    Console.WriteLine("{0} is not a valid choice", myChoice);

​

                    break;

                     } while (myChoice == "A" || myChoice == "S" || myChoice == "M" || myChoice == "Q");

​

        //Select Which Math Operation

​

        //Add

​

        //Subtract

​

        //Multiplication

​

        //====

​

        //Prompt the user to select a Math Operation

​

​

        //When the user selects a Math Operation

​

        //The user will then be prompted for

​

        //Input Number 1:

​

        //Input Number 2:

​

​

​

        //Use a switch statement to select the correct Math Operation (Add,Sub,Mult)

​

​

        //Then the selected Math operation will display the Calculated Result to the user 

​

        //20 + 10 = 30

​

        //20 - 10 = 10

​

        //20 * 10 = 200

​

​

    }

​

​

    //Welcome Method Here

​

​

    //Add Method Here

​

​

    //Sub Method Here

​

​

    //Mult Method Here

​

​

    }

​

​

​

​