for(int i=1;i<=10;i=i++)

            {

                string num1 = Console.ReadLine();

                double num = Convert.ToDouble(num1);

                Console.WriteLine("NO{0:0.00}", num);

               double num2 = 1 / num;

                Console.WriteLine("Inverse{0:0.00}", num2);

                double num3 = Math.Sqrt(num);

                Console.WriteLine("square root{0:0.00}", num3);

                double num4 = Math.Pow(num, 2);

                Console.WriteLine("Square{0:0.00}", num4);

            }

​

​