using System;

​

namespace CubeAreaCalculator

{

    public class Program

    {

        //Determine PI

        public const double PI = 3.14159265358979;

        public static void Main(string[] args)

        { 

            Console.WriteLine("Hello, " +

                "Do you want to calculate the volume of a box or a sphere??");

            string box = Console.ReadLine();

            box = "True";

            bool b = Convert.ToBoolean(box);

            while(b)

            if (b == true)

            {

                Console.Write("You choose the box. ");

                Console.Write("Please insert the length: ");

                //Determine and convert length

                string length = Console.ReadLine();

                double len = Convert.ToDouble(length);

​

                Console.Write("Now, insert the width: ");

                //Determine and convert width

                string width = Console.ReadLine();

                double wid = Convert.ToDouble(width);

​

                Console.Write("Finally, insert the height: ");

                //Determine and convert height

                string height = Console.ReadLine();

                double hei = Convert.ToDouble(height);

                //Formula for the volume 

                Double volume;

                volume = len * wid * hei;

                Console.WriteLine("The volume of the box is:  {0} * {1} * {2} = {3}", len, wid, hei, volume);

                break;

            }//end first if

            string sphere = Console.ReadLine();

            sphere = "True";

            bool sph = Convert.ToBoolean(sphere);

            while(sph)

            if (sph == true)

            {

                 Console.WriteLine("You choose the sphere. ");

                Console.Write("Please insert the radius: ");

                string radius = Console.ReadLine();

                double rad = Convert.ToDouble(radius);

                rad = Math.Pow(4, 2);

​

                Double volume2;

                volume2 = 4 / 3 * PI * rad;

                Console.Write(" The volume of the sphere is: {0} / {1} * {2} * {3} = {4}", 4, 3, PI, rad);

                break;

            }//end second if

​

​

        }//end main

    }//class end

}

​