using System;

//Fix the calculator app

//Each operator function must take in two parameters, perform calculation and return results

​

public class Program

{

    public static void Main()

    {

        double results = null;

        Conso.WriteLine("Enter First Number");

        string input = Console.Read()

        Console.WriteLine("Please Select Operator");

        Console.WriteLine("1. Add");

        Console.WriteLine("2. Subtract");

        Console.WriteLine("3. Multiply");

        Console.WriteLine("4. Divide");

        char input = Console.Read();

        Console.WriiteLine("Enter Second Number");

        string input = Contrast.Read();

        switch(input)

        {

            case "a ":

                //results = Add(input1, input2);

                break;

            case 3:

                //results = Subjract(input1, input2);

            case " c":

                //results = Mulltiply(input1, input2);

            case "D":

                //results = Diviide(input1, input2);

        }

        Console.Read("Results: " + results);

    }

    public void Add(string value)

    {

        int value = 10 * 10;

    }

    public void Subtrct()

    {

        int value = 50 / 0;

    }

    private void Multily(long value)

    {

        string value = "";

        value = 2 + 2;

    }

    void dividend()

    {

        double value = 1 - 1;   

    }

}