Esempio n. 1
0
        static void Main(string[] args)
        {
            while (true)
            {
                Console.WriteLine("Welcome to the calculator");
                Console.WriteLine("Choose a calculation (1-6) and separate arguments with comma");
                Console.WriteLine("Write 0 to quit");
                int hello = Int32.Parse(Console.ReadLine());
                Console.WriteLine(hello);
                if (hello > -1 && hello < 7)
                {
                    switch (hello)
                    {
                    case 1:
                        Console.WriteLine("Add, give any number of arguments");
                        Console.WriteLine(Calculator.Add(multiArg(Console.ReadLine())));
                        break;

                    case 2:
                        Console.WriteLine("Subtract, give any number of arguments");
                        Console.WriteLine(Calculator.Subtract(multiArg(Console.ReadLine())));
                        break;

                    case 3:
                        Console.WriteLine("Multiply, give any number of arguments");
                        Console.WriteLine(Calculator.Multiply(multiArg(Console.ReadLine())));
                        break;

                    case 4:
                        Console.WriteLine("Sum, give any number of arguments");
                        Console.WriteLine(Calculator.Sum(multiArg(Console.ReadLine())));
                        break;

                    case 5:
                        Console.WriteLine("Power, give 2 arguments");
                        Console.WriteLine(Calculator.Power(Int32.Parse(Console.ReadLine()), Int32.Parse(Console.ReadLine())));
                        break;

                    case 6:
                        Console.WriteLine("Factorial, give one argument");
                        Console.WriteLine(Calculator.Factorial(Int32.Parse(Console.ReadLine())));
                        break;

                    case 0:
                        Environment.Exit(0);
                        break;
                    }
                }
                else
                {
                    Console.WriteLine("wrong input, try again");
                }
                Console.ReadLine();
            }
        }
        public static void Main()
        {
            Calculator calc = new Calculator();
            int        num  = -12;
            int        res  = 0;

            try
            {
                calc.Factorial(num);
            }
            catch (SignedNumberException ex)
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("Error: " + ex.Message);
                Console.ResetColor();
            }
            Console.WriteLine("Factorial of {0} is: {1}", num, res);

            Console.ReadLine();
        }
        static void Main(string[] args)
        {
            Console.WriteLine("ADDITION");
            Console.WriteLine("First factor:");
            string stringA = Console.ReadLine();
            int    a       = int.Parse(stringA);

            Console.WriteLine("Second factor:");
            string stringB = Console.ReadLine();
            int    b       = int.Parse(stringB);

            Console.WriteLine("The result is " + Calculator.Add(a, b));
            Console.WriteLine(">>>Press Enter<<<");
            Console.ReadKey();

            Console.WriteLine("");
            Console.WriteLine("SUBTRACTION");
            Console.WriteLine("First factor:");
            string stringC = Console.ReadLine();
            int    c       = int.Parse(stringC);

            Console.WriteLine("Second factor:");
            string stringD = Console.ReadLine();
            int    d       = int.Parse(stringD);

            Console.WriteLine("The result is " + Calculator.Subtract(a, b));
            Console.WriteLine(">>>Press Enter<<<");
            Console.ReadKey();

            Console.WriteLine("");
            Console.WriteLine("SUM MORE NUMBERS");
            Console.WriteLine("How many numbers would you like to sum?");
            string sumnumbers = Console.ReadLine();
            int    count      = 1;

            int[] anarray = new int[int.Parse(sumnumbers)];
            for (int i = 0; i < anarray.Length; i++)
            {
                Console.WriteLine("Factor " + count + ":");
                count++;
                anarray[i] = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("Result:" + Calculator.Sum(anarray));
            Console.WriteLine(">>>Press enter<<<");
            Console.ReadKey();


            Console.WriteLine("");
            Console.WriteLine("MULTIPLY");
            Console.WriteLine("How many numbers would you like to multiply?");
            string multnumbers = Console.ReadLine();
            int    count2      = 1;

            int[] anarray2 = new int[int.Parse(multnumbers)];
            for (int i = 0; i < anarray2.Length; i++)
            {
                Console.WriteLine("Factor " + count2 + ":");
                count2++;
                anarray2[i] = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("Result:" + Calculator.Multiply(anarray2));
            Console.WriteLine(">>>Press enter<<<");
            Console.ReadKey();

            Console.WriteLine("");
            Console.WriteLine("POWER");
            Console.WriteLine("Number:");
            string stringnumber = Console.ReadLine();
            int    yournumber   = int.Parse(stringnumber);

            Console.WriteLine("Exponent:");
            string exponent     = Console.ReadLine();
            int    yourexponent = int.Parse(exponent);

            Console.WriteLine("The result is " + Calculator.Power(yournumber, yourexponent));
            Console.WriteLine(">>>Press Enter<<<");
            Console.ReadKey();

            Console.WriteLine("");
            Console.WriteLine("FACTORIAL");
            Console.WriteLine("Factorial of:");
            string stringfactorial = Console.ReadLine();
            int    yourfactorial   = int.Parse(stringfactorial);

            Console.WriteLine("The result is " + Calculator.Factorial(yourfactorial));
            Console.WriteLine(">>>Press Enter<<<");
            Console.ReadKey();

            Console.WriteLine("");
            Console.WriteLine("Thanks for you cooperation, next time you should use a true calculator.");
            Console.WriteLine(">>>>>Press Enter to cause a nuclear explosion<<<<<");
            Console.ReadKey();
        }