Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp20
{
    internal class Program
    {
        /// <summary>
        /// Print "Press Any Key ..."
        /// </summary>
        static void PressAnyKey()
        {
            Console.WriteLine("Press Any key ... ");
            Console.ReadKey();
        }
        /// <summary>
        /// Print Your Text
        /// </summary>
        /// <param name="str">Your String to Print it</param>
        /// <param name="myColor">Print your String with Your Color</param>
        /// 
        static void PrintMessage(string str, ConsoleColor myColor)
        {
            Console.ForegroundColor = myColor;
            Console.WriteLine(str); ;
            Console.ResetColor();
        }
        /// <summary>
        /// Print Arrow Shape
        /// </summary>
        static void Arrow()
        {
            Console.ForegroundColor = ConsoleColor.Magenta;
            Console.Write(" >>> ");
            Console.ResetColor();
        }
        /// <summary>
        /// Print Your Text
        /// </summary>
        /// <param name="t1">Your String</param>
        /// <param name="MyColor">Your Color to Print Your Text</param>
        static void Title(string t1, ConsoleColor MyColor)
        {
            Console.ForegroundColor = MyColor;
            Console.WriteLine(t1);
            Console.ResetColor();
        }
        /// <summary>
        /// Print Your Text
        /// </summary>
        /// <param name="t1">Your First String To Print</param>
        /// <param name="t2">Your Second String To Print</param>
        /// <param name="MyColor">Your Color to Print Your Text</param>
        static void Title(string t1, string t2, ConsoleColor MyColor)
        {
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(t1);
            Console.ResetColor();
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(" >>> ");
            Console.ResetColor();
            Console.ForegroundColor = MyColor;
            Console.WriteLine(t2);
            Console.ResetColor();
        }
        /// <summary>
        /// Print Your Text
        /// </summary>
        /// <param name="t1">Your First String To Print</param>
        /// <param name="t2">Your Second String To Print</param>
        /// <param name="t3">Your Third String To Print</param>
        /// <param name="MyColor">Your Color to Print Your Text</param>
        static void Title(string t1, string t2, string t3, ConsoleColor MyColor)
        {
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(t1);
            Console.ResetColor();
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(" >>> ");
            Console.ResetColor();
            Console.ForegroundColor = MyColor;
            Console.Write(t2);
            Console.ResetColor();
            Arrow();
            Console.ForegroundColor = MyColor;
            Console.WriteLine(t3);
            Console.ResetColor();
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="t1">Your First String To Print</param>
        /// <param name="t2">Your Second String To Print</param>
        /// <param name="t3">Your Third String To Print</param>
        /// <param name="t4">Your Forth String To Print</param>
        /// <param name="MyColor">Your Color to Print Your Text</param>
        static void Title(string t1, string t2, string t3, string t4, ConsoleColor MyColor)
        {
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(t1);
            Console.ResetColor();
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(" >>> ");
            Console.ResetColor();
            Console.ForegroundColor = MyColor;
            Console.Write(t2);
            Console.ResetColor();
            Arrow();
            Console.ForegroundColor = MyColor;
            Console.Write(t3);
            Console.ResetColor();
            Arrow();
            Console.ForegroundColor = MyColor;
            Console.WriteLine(t4);
            Console.ResetColor();
        }
        static void Separator(String Template, ConsoleColor w)
        {
            Console.ForegroundColor = w;
            for (int i = 0; i < 113; i++)
            {
                Console.Write(Template);
            }
            Console.WriteLine();
            Console.ResetColor();
        }
        static void Main(string[] args)
        {
            while (true)
            {
                Console.Clear();
                Title("Calculate Console Application.", ConsoleColor.Yellow);
                Separator("=", ConsoleColor.Yellow);
                Console.WriteLine();
                Console.WriteLine("1- Start Caculate");
                Console.WriteLine("2- Exit ");
                Console.WriteLine();
                Console.Write("Please Enter Your choose : ");
                int input = Convert.ToInt32(Console.ReadLine());
                //input cheking
                if (!(input == 1 || input == 2))
                {
                    Console.Clear();
                    PrintMessage("Please Enter Correct Number of Menu item Number.", ConsoleColor.Red);
                    PressAnyKey();
                    continue;
                }
                //login Page 
                if (input == 1)
                {
                    Calculator cal = new Calculator();
                    double input_First_Number;
                    double input_Second_Number;
                    string input_operator;
                    int indexOfCalculate = 0;
                    List<CalculateHistory> CalculateResult = new List<CalculateHistory>();
                    while (true)
                    {
                        indexOfCalculate++;
                        do
                        {
                            Console.Clear();
                            Title("Calculate Console Application.\t", ConsoleColor.Yellow);
                            Separator("=", ConsoleColor.Yellow);
                            Console.WriteLine();
                            Console.WriteLine("Calculate(" + indexOfCalculate.ToString() + ")" + " --->: ");
                            Console.WriteLine();
                            Console.Write("Please Enter First Number: ");
                            if (double.TryParse(Console.ReadLine(), out input_First_Number))
                            {
                                break;
                            }
                            else
                            {
                                Console.Clear();
                                PrintMessage("Please Enter Correct Format For Calculate Numbers.", ConsoleColor.Red);
                                PressAnyKey();
                                continue;
                            }
                        } while (true);
                        do
                        {
                            Console.Clear();
                            Title("Calculate Console Application.\t", ConsoleColor.Yellow);
                            Separator("=", ConsoleColor.Yellow);
                            Console.WriteLine();
                            Console.WriteLine("Calculate(" + indexOfCalculate.ToString() + ")" + " --->: " + input_First_Number);
                            Console.WriteLine();
                            Console.Write("Please Enter Your operator: ");
                            input_operator = Console.ReadLine();
                            if (input_operator.Equals("+") || input_operator.Equals("-") || input_operator.Equals("/") || input_operator.Equals("*"))
                            {
                                break;
                            }
                            else
                            {
                                Console.Clear();
                                PrintMessage("Please Enter Correct Format For Calculate Numbers. Please Choose between ----> *\t/\t+\tand\t-", ConsoleColor.Red);
                                PressAnyKey();
                                continue;
                            }
                        } while (true);
                        do
                        {
                            Console.Clear();
                            Title("Calculate Console Application.\tCalculate(" + indexOfCalculate.ToString() + ")", ConsoleColor.Yellow);
                            Separator("=", ConsoleColor.Yellow);
                            Console.WriteLine();
                            Console.WriteLine("Calculate(" + indexOfCalculate.ToString() + ")" + " --->: " + input_First_Number + " " + input_operator);
                            Console.WriteLine();
                            Console.Write("Please Enter Second Number: ");
                            string temp = Console.ReadLine();
                            if (input_operator == "/" && temp == "0")
                            {
                                Console.Clear();
                                PrintMessage("Cannot Divid By Zero. Please Enter Another Number.", ConsoleColor.Red);
                                PressAnyKey();
                                continue;
                            }
                            if (double.TryParse(temp, out input_Second_Number))
                            {
                                break;
                            }
                            else
                            {
                                Console.Clear();
                                PrintMessage("Please Enter Correct Format For Calculate Numbers.", ConsoleColor.Red);
                                PressAnyKey();
                                continue;
                            }
                        } while (true);
                        Console.Clear();
                        Title("Calculate Console Application.\t", ConsoleColor.Yellow);
                        Separator("=", ConsoleColor.Yellow);
                        Console.WriteLine();
                        try
                        {
                            string ResultOfCalculate = cal.Calcute(input_First_Number, input_operator, input_Second_Number).ToString();
                            Console.WriteLine("Calculate(" + indexOfCalculate.ToString() + ")" + " --->: " + input_First_Number + " " + input_operator + " " + input_Second_Number + " = " + ResultOfCalculate);
                            CalculateHistory temp = new CalculateHistory(indexOfCalculate, input_First_Number.ToString(), input_operator, input_Second_Number.ToString(), ResultOfCalculate);
                            CalculateResult.Add(temp);
                        }
                        catch (Exception ex)
                        {
                            Console.Clear();
                            PrintMessage(ex.Message, ConsoleColor.Red);
                            PressAnyKey();
                            continue;
                        }
                        Console.WriteLine();
                        PrintMessage("Continue? (y or n)", ConsoleColor.Cyan);
                        string Conculate = Console.ReadLine();
                        if (Conculate == "y")
                        {
                            continue;
                        }
                        else
                        {
                            Console.Clear();
                            Title("Calculate Console Application.\t", ConsoleColor.Yellow);
                            Separator("=", ConsoleColor.Yellow);
                            Console.WriteLine();
                            PrintMessage("Do you want to Show TotalCalculate History? (y or n)", ConsoleColor.Green);
                            string Conculate2 = Console.ReadLine();
                            if (Conculate2 == "y")
                            {
                                Console.Clear();
                                foreach (var item in CalculateResult)
                                {
                                    Console.WriteLine(item.GetHistory());
                                }
                                Console.WriteLine();
                                PressAnyKey();
                            }
                            break;
                        }
                    }
                }
                //Exit
                if (input == 2)
                {
                    break;
                }
            }
        }
    }
}