using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace MyStaticMethod

{

public class Program

{

    public static void Main(string[] args)

    {

        Console.WriteLine("Please Select the Converter");

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

        Console.WriteLine("1. Celsius To Ferenhit");

        Console.WriteLine("2. Ferenhit To Celsius");

        Console.WriteLine("\nPress either 1 Or 2");

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

        string Selection;

        Selection=Console.ReadLine();

        double F,C=0;

        switch (Selection)

        {

            case "1":

            Console.Write("Please Enter the Celsius Temperature: ");

            F=TemperatureConverter.CelsiusToFerenhit(System.Console.ReadLine());

            Console.WriteLine("Temperature in Ferenhit:{0:F2}",F);

            break;

            case "2":

            Console.Write("Please Enter the Ferenhit Temperature: ");

            C=TemperatureConverter.FerenhitToCelsius(System.Console.ReadLine());

            Console.WriteLine("Temperature in Celsius:{0:F2}",C);

            break;

            default:

            Console.WriteLine("Please Select  a Converter");

            break;

        }

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

        Console.ReadLine();

    }

}

    public static class TemperatureConverter

    {

        public static double CelsiusToFerenhit(string tempcelsius)

        {

            double celsius=Double.Parse(tempcelsius);

            double ferenhit=(celsius*9/5)+32;

            return ferenhit;

        }

        public static double FerenhitToCelsius(string tempferenhit)

        {

            double ferenhit=Double.Parse(tempferenhit);

            double celsius=(ferenhit-32)*5/9;

            return celsius;

        }

    }

}