C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using Microsoft.Win32;
using System;

public class Program
{
	public static void Main()
	{
		while (true)
		{
			Console.WriteLine("\t\t\t\tWELCOME TO AREA/VOLUME CALCULATOR");
			Console.WriteLine("\t\t\t\t__________________________________");
			Console.WriteLine("Please Chose Your Calculator :\n");
			Console.WriteLine("1 - 3D SURFACE AREA");
			Console.WriteLine("2 - 3D VOLUME CALCULATOR");
			double a = Convert.ToDouble(Console.ReadLine());

			if (a == 1)
			{
				Console.WriteLine("Please Select A Type Of 3D Surface Area");
				Console.WriteLine("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
				Console.WriteLine("1 - Cube");
				Console.WriteLine("2 - Cuboid");
				Console.WriteLine("3 - Cone");
				Console.WriteLine("4 - Sphere");
				Console.WriteLine("5 - Pyramid");
				Console.WriteLine("6 - Cylinder");
				double b = Convert.ToDouble(Console.ReadLine());


				if (b == 1)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("Length(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					Console.Write("Width(cm) : ");
					double secondnumber = Convert.ToDouble(Console.ReadLine());
					double dummy = firstnumber * secondnumber;
					double result1 = dummy * 6;
					Console.WriteLine("Surface area of cube :{0}cm2", result1);
					Console.ReadLine();
				}
				else if (b == 2)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("Height(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					Console.Write("lengthcube(cm) : ");
					double secondnumber = Convert.ToDouble(Console.ReadLine());
					Console.Write("lengthcuboid(cm) : ");
					double thirdnumber = Convert.ToDouble(Console.ReadLine());
					double dummy1 = firstnumber * secondnumber;
					double result1 = dummy1 * 2;
					double dummy2 = firstnumber * thirdnumber;
					double result2 = dummy2 * 4;
					double result3 = result1 + result2;
					Console.WriteLine("Surface area of cuboid :{0}cm2", result3);
				}
				else if (b == 3)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("Radius(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					Console.WriteLine("Length(cm) : ");
					double secondnumber = Convert.ToDouble(Console.ReadLine());
					double dummy1 = firstnumber * firstnumber;
					double dummy2 = 3.142 * dummy1;
					double dummy3 = firstnumber * secondnumber;
					double dummy4 = 3.142 * dummy3;
					double dummy5 = dummy2 + dummy4;
					Console.WriteLine("Surface area kone :{0}cm2", dummy5);
				}
				else if (b == 4)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("Radius(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					double dummy1 = firstnumber * firstnumber;
					double dummy2 = 4 * 3.142;
					double dummy3 = dummy2 * dummy1;
					Console.WriteLine("Surface area sphere :{0}cm2", dummy3);

				}
				else if (b == 5)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("lengthcube(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					Console.Write("Height(cm) : ");
					double secondnumber = Convert.ToDouble(Console.ReadLine());
					double dummy1 = firstnumber * firstnumber;
					double dummy2 = 0.5 * firstnumber * secondnumber;
					double dummy3 = dummy2 * 4;
					double dummy4 = dummy1 + dummy3;
					Console.WriteLine("Surface area Pyramid :{0}cm2", dummy4);

				}
				else if (b == 6)
				{
					Console.WriteLine("\nGive Details\n");
					Console.Write("Radius(cm) : ");
					double firstnumber = Convert.ToDouble(Console.ReadLine());
					Console.Write("Height(cm) : ");
					double secondnumber = Convert.ToDouble(Console.ReadLine());
					double dummy1 = firstnumber * firstnumber;
					double dummy2 = 2 * 3.142;
					double dummy3 = dummy2 * dummy1;
					double dummy4 = firstnumber * secondnumber;
					double dummy5 = dummy2 * dummy4;
					double dummy6 = dummy3 + dummy5;
					Console.WriteLine("Surface area Cylinder :{0}cm2", dummy6);

				}
				if (a == 2)
				{
					Console.WriteLine("Please Select A Type Of 3D Volume Calculator");
					Console.WriteLine("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
					Console.WriteLine("1 - Cube");
					Console.WriteLine("2 - Cuboid");
					Console.WriteLine("3 - Cone");
					Console.WriteLine("4 - Sphere");
					Console.WriteLine("5 - Pyramid");
					Console.WriteLine("6 - Cylinder");
					double c = Convert.ToDouble(Console.ReadLine());

					if (c == 1)
					{
						Console.WriteLine("\nGive Details\n");
						Console.Write("Length(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Widtht(cm) : ");
						double secondnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Height(cm) : ");
						double thirdnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = firstnumber * secondnumber;
						double dummy2 = dummy1 * thirdnumber;
						Console.WriteLine(" Volume Of Cube :{0}cm3", dummy2);

					}
					else if (c == 2)
					{
						Console.WriteLine("\nGive Details\n");
						Console.Write("Length(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Widtht(cm) : ");
						double secondnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Height(cm) : ");
						double thirdnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = firstnumber * secondnumber;
						double dummy2 = dummy1 * thirdnumber;
						Console.WriteLine(" Volume Of Cube :{0}cm3", dummy2);

					}
					else if (c == 3)
					{
						Console.WriteLine("\nGive Details\n");
						Console.Write("Radius(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Height(cm) : ");
						double secondnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = 0.333 * 3.142;
						double dummy2 = firstnumber * firstnumber;
						double dummy3 = dummy2 * secondnumber;
						double dummy4 = dummy1 * dummy3;
						Console.WriteLine(" Volume Of Kone :{0}cm3", dummy4);

					}
					else if (c == 4)
					{

						Console.WriteLine("\nGive Details\n");
						Console.Write("Radius(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = 1.33 * 3.142;
						double dummy2 = firstnumber * firstnumber * firstnumber;
						double dummy3 = dummy1 * dummy2;
						Console.WriteLine(" Volume Of Sphere :{0}cm3", dummy3);

					}
					else if (c == 5)
					{

						Console.WriteLine("\nGive Details\n");
						Console.Write("lengthcuboid(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Widthcube(cm) : ");
						double secondnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Height(cm) : ");
						double thirdnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = firstnumber * secondnumber;
						double dummy2 = 0.33 * dummy1;
						double dummy3 = dummy2 * thirdnumber;
						Console.WriteLine(" Volume Of Pyramid :{0}cm3", dummy3);

					}
					else if (c == 6)
					{
						Console.WriteLine("\nGive Details\n");
						Console.Write("Radius(cm) : ");
						double firstnumber = Convert.ToDouble(Console.ReadLine());
						Console.Write("Height(cm) : ");
						double secondnumber = Convert.ToDouble(Console.ReadLine());
						double dummy1 = firstnumber * firstnumber;
						double dummy2 = 3.142 * dummy1;
						double dummy3 = dummy2 * secondnumber;
						Console.WriteLine(" Volume Of Cylinder :{0}cm3", dummy3);
					}













				}

				Console.ReadLine();
				Console.Clear();
			}
		}
	}
}

​x
 
using Microsoft.Win32;
using System;
​
public class Program
{
    public static void Main()
    {
        while (true)
        {
            Console.WriteLine("\t\t\t\tWELCOME TO AREA/VOLUME CALCULATOR");
            Console.WriteLine("\t\t\t\t__________________________________");
            Console.WriteLine("Please Chose Your Calculator :\n");
            Console.WriteLine("1 - 3D SURFACE AREA");
            Console.WriteLine("2 - 3D VOLUME CALCULATOR");
            double a = Convert.ToDouble(Console.ReadLine());
​
            if (a == 1)
            {
                Console.WriteLine("Please Select A Type Of 3D Surface Area");
                Console.WriteLine("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
                Console.WriteLine("1 - Cube");
                Console.WriteLine("2 - Cuboid");
                Console.WriteLine("3 - Cone");
                Console.WriteLine("4 - Sphere");
                Console.WriteLine("5 - Pyramid");
                Console.WriteLine("6 - Cylinder");
                double b = Convert.ToDouble(Console.ReadLine());
​
​
                if (b == 1)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("Length(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    Console.Write("Width(cm) : ");
                    double secondnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy = firstnumber * secondnumber;
                    double result1 = dummy * 6;
                    Console.WriteLine("Surface area of cube :{0}cm2", result1);
                    Console.ReadLine();
                }
                else if (b == 2)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("Height(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    Console.Write("lengthcube(cm) : ");
                    double secondnumber = Convert.ToDouble(Console.ReadLine());
                    Console.Write("lengthcuboid(cm) : ");
                    double thirdnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy1 = firstnumber * secondnumber;
                    double result1 = dummy1 * 2;
                    double dummy2 = firstnumber * thirdnumber;
                    double result2 = dummy2 * 4;
                    double result3 = result1 + result2;
                    Console.WriteLine("Surface area of cuboid :{0}cm2", result3);
                }
                else if (b == 3)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("Radius(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    Console.WriteLine("Length(cm) : ");
                    double secondnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy1 = firstnumber * firstnumber;
                    double dummy2 = 3.142 * dummy1;
                    double dummy3 = firstnumber * secondnumber;
                    double dummy4 = 3.142 * dummy3;
                    double dummy5 = dummy2 + dummy4;
                    Console.WriteLine("Surface area kone :{0}cm2", dummy5);
                }
                else if (b == 4)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("Radius(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy1 = firstnumber * firstnumber;
                    double dummy2 = 4 * 3.142;
                    double dummy3 = dummy2 * dummy1;
                    Console.WriteLine("Surface area sphere :{0}cm2", dummy3);
​
                }
                else if (b == 5)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("lengthcube(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    Console.Write("Height(cm) : ");
                    double secondnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy1 = firstnumber * firstnumber;
                    double dummy2 = 0.5 * firstnumber * secondnumber;
                    double dummy3 = dummy2 * 4;
                    double dummy4 = dummy1 + dummy3;
                    Console.WriteLine("Surface area Pyramid :{0}cm2", dummy4);
​
                }
                else if (b == 6)
                {
                    Console.WriteLine("\nGive Details\n");
                    Console.Write("Radius(cm) : ");
                    double firstnumber = Convert.ToDouble(Console.ReadLine());
                    Console.Write("Height(cm) : ");
                    double secondnumber = Convert.ToDouble(Console.ReadLine());
                    double dummy1 = firstnumber * firstnumber;
                    double dummy2 = 2 * 3.142;
                    double dummy3 = dummy2 * dummy1;
                    double dummy4 = firstnumber * secondnumber;
                    double dummy5 = dummy2 * dummy4;
                    double dummy6 = dummy3 + dummy5;
                    Console.WriteLine("Surface area Cylinder :{0}cm2", dummy6);
​
                }
                if (a == 2)
                {
                    Console.WriteLine("Please Select A Type Of 3D Volume Calculator");
                    Console.WriteLine("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
                    Console.WriteLine("1 - Cube");
                    Console.WriteLine("2 - Cuboid");
                    Console.WriteLine("3 - Cone");
                    Console.WriteLine("4 - Sphere");
                    Console.WriteLine("5 - Pyramid");
                    Console.WriteLine("6 - Cylinder");
                    double c = Convert.ToDouble(Console.ReadLine());
​
                    if (c == 1)
                    {
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("Length(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Widtht(cm) : ");
                        double secondnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Height(cm) : ");
                        double thirdnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = firstnumber * secondnumber;
                        double dummy2 = dummy1 * thirdnumber;
                        Console.WriteLine(" Volume Of Cube :{0}cm3", dummy2);
​
                    }
                    else if (c == 2)
                    {
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("Length(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Widtht(cm) : ");
                        double secondnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Height(cm) : ");
                        double thirdnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = firstnumber * secondnumber;
                        double dummy2 = dummy1 * thirdnumber;
                        Console.WriteLine(" Volume Of Cube :{0}cm3", dummy2);
​
                    }
                    else if (c == 3)
                    {
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("Radius(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Height(cm) : ");
                        double secondnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = 0.333 * 3.142;
                        double dummy2 = firstnumber * firstnumber;
                        double dummy3 = dummy2 * secondnumber;
                        double dummy4 = dummy1 * dummy3;
                        Console.WriteLine(" Volume Of Kone :{0}cm3", dummy4);
​
                    }
                    else if (c == 4)
                    {
​
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("Radius(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = 1.33 * 3.142;
                        double dummy2 = firstnumber * firstnumber * firstnumber;
                        double dummy3 = dummy1 * dummy2;
                        Console.WriteLine(" Volume Of Sphere :{0}cm3", dummy3);
​
                    }
                    else if (c == 5)
                    {
​
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("lengthcuboid(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Widthcube(cm) : ");
                        double secondnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Height(cm) : ");
                        double thirdnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = firstnumber * secondnumber;
                        double dummy2 = 0.33 * dummy1;
                        double dummy3 = dummy2 * thirdnumber;
                        Console.WriteLine(" Volume Of Pyramid :{0}cm3", dummy3);
​
                    }
                    else if (c == 6)
                    {
                        Console.WriteLine("\nGive Details\n");
                        Console.Write("Radius(cm) : ");
                        double firstnumber = Convert.ToDouble(Console.ReadLine());
                        Console.Write("Height(cm) : ");
                        double secondnumber = Convert.ToDouble(Console.ReadLine());
                        double dummy1 = firstnumber * firstnumber;
                        double dummy2 = 3.142 * dummy1;
                        double dummy3 = dummy2 * secondnumber;
                        Console.WriteLine(" Volume Of Cylinder :{0}cm3", dummy3);
                    }
​
​
​
​
​
​
​
​
​
​
​
​
​
                }
​
                Console.ReadLine();
                Console.Clear();
            }
        }
    }
}
                

Compilation error (line 18, col 9): Expected class, delegate, enum, interface, or struct
Compilation error (line 34, col 9): Expected class, delegate, enum, interface, or struct
Compilation error (line 50, col 9): Expected class, delegate, enum, interface, or struct
Compilation error (line 66, col 9): Expected class, delegate, enum, interface, or struct
Compilation error (line 82, col 9): Expected class, delegate, enum, interface, or struct

Last Run:	5:17:22 am
Compile:	0s
Execute:	0.062s
Memory:	0b
CPU:	0s

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