using System;

using System.ComponentModel;

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namespace Methods

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{

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    public class program

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    {

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        public static void Main(string[] args)

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        {

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            Console.Write(" Hello, This is The More Advanced Calculator!   ");

            Console.ReadLine();

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            menu();

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        }

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        static void menu()

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        {

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            int options;

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            Console.BackgroundColor = ConsoleColor.Blue;

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            Console.BackgroundColor = ConsoleColor.White;

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​

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            Console.Clear();

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            Console.WriteLine("          Menu");

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             Console.WriteLine("_______________________");

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              Console.WriteLine("1. Add");

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               Console.WriteLine("2. Subtract");

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                Console.WriteLine("3. Multiply");

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                 Console.WriteLine("4. Divide");

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                  Console.WriteLine("5. Square Roots");

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                   Console.WriteLine("6. Exit");

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                    Console.WriteLine("");

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                       Console.WriteLine("");

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                          Console.WriteLine("");

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                             Console.WriteLine("Please select a number from the menu: ");

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                             options = int.Parse(Console.ReadLine());

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                             if ((options < 1)||(options >6))

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{ menu();

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}

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if (options == 1)

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{

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add();

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}

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if (options == 5)

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{

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SquareRoot();

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}

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if (options == 6)

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{

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Exit();

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}

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}

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static void add()

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{

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int number1;

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int number2;

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int answer;

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Console.BackgroundColor = ConsoleColor.Gray;

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Console.ForegroundColor = ConsoleColor.Yellow;

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Console.Clear();

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Console.WriteLine("I am in the Addition method");

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Console.WriteLine();

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Console.WriteLine("Please input the first number for me to add: ");

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number1 = int.Parse(Console.ReadLine());

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Console.WriteLine("I am in the Addition method");

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Console.WriteLine();

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Console.WriteLine("Please input the second number for me to add: ");

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number2 = int.Parse(Console.ReadLine());

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answer = number1 + number2;

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Console.WriteLine();

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Console.WriteLine(number1 + "+" + number2 + "=" + answer);

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Console.ReadLine();

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menu();

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}

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static void SquareRoot()

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{

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    double number;

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    double answer;

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       Console.BackgroundColor = ConsoleColor.Black;

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            Console.BackgroundColor = ConsoleColor.Green;

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            Console.Clear();

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            Console.WriteLine("   Thanks for using the More Advanced Calculator!   ");

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            Console.ReadLine();

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            Enviroment.Exit(0);

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}

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        }

    }