[code language="C#"]

using System;
using System.Collections.Generic;
using System.Text;

namespace KeithRull.CS.Windows.DevCenterConsole
{
    class TemperatureCalculation
    {
        static void Main(string[] args)
        {
            this.ShowCalculation();
        }

        public void ShowCalculation()
        {
            double celsius = 44.5;

            double fahrenheit = CelsiusToFahrenheit(celsius);

            Console.WriteLine(fahrenheit);

            celsius = FahrenheitToCelsius(fahrenheit);

            Console.WriteLine(celsius);
        }

        //formulas are taken from
        //http://vathena.arc.nasa.gov/curric/weather/fahrcels.html

        public static double CelsiusToFahrenheit(double celsius)
        {
            /*
                Tc=(5/9)*(Tf-32)
                Tc=temperature in degrees Celsius
                Tf=temperature in degrees Fahrenheit
             * */
            return (((0.9 / 0.5) * celsius) + 32);
        }

        public static double FahrenheitToCelsius(double fahrenheit)
        {
            /*
                Tf=(9/5)*Tc+32
                Tc=temperature in degrees Celsius
                Tf=temperature in degrees Fahrenheit
              */
            return ((0.5 / 0.9) * (fahrenheit + 32));
        }
    }
}

[/code]