using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace Calculation

{

public class Program

{

    public static void Main(string[] args)

    {

        int selection,No1,No2,Result;

        Console.WriteLine("Created By Deep Fanse          ");

        Console.WriteLine("-------------------------------");

        Console.WriteLine("1.Addition.....................");

        Console.WriteLine("2.Minus........................");

        Console.WriteLine("3.Devide.......................");

        Console.WriteLine("4.Multiplication...............");

        Console.WriteLine("-------------------------------");

        //Console.WriteLine("\n");

        Console.Write("Select option between 1 to 4: ");

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

        Console.WriteLine("-------------------------------");

        switch(selection)

        {

            case 1:

            {

                Console.WriteLine("Enter No1: ");

                No1=int.Parse(Console.ReadLine());

                Console.WriteLine("Enter No2: ");

                No2=int.Parse(Console.ReadLine());

                Result=No1+No2;

                Console.WriteLine("The Value is: "+Result);

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

            }

            break;

            case 2:

            {

                Console.WriteLine("Enter No1: ");

                No1=int.Parse(Console.ReadLine());

                Console.WriteLine("Enter No2: ");

                No2=int.Parse(Console.ReadLine());

                Result=No1-No2;

                Console.WriteLine("The Value is: "+Result);

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

            }

            break;

            case 3:

            {

                Console.WriteLine("Enter No1: ");

                No1=int.Parse(Console.ReadLine());

                Console.WriteLine("Enter No2: ");

                No2=int.Parse(Console.ReadLine());

                Result=No1/No2;

                Console.WriteLine("The Value is: "+Result);

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

            }

            break;

            case 4:

            {

                Console.WriteLine("Enter No1: ");

                No1=int.Parse(Console.ReadLine());

                Console.WriteLine("Enter No2: ");

                No2=int.Parse(Console.ReadLine());

                Result=No1*No2;

                Console.WriteLine("The Value is: "+Result);

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

            }

            break;

        }

        Console.Write("\nPress Enter to Quit..");

        Console.ReadLine();

    }

}

}