using System;

​

namespace Calculator

​

{

​

         class program

​

         {

​

                static void Main(string[] args)

​

                {

​

                      char op;

​

                      double num1, num2;

​

                      Console.WriteLine("Enter the operator ( +, -, *, / )");

​

                      op = Console.ReadLine()[0];

​

                      Console.WriteLine("Enter the two numbers one by one');

​

                      num1 = Convert.ToDouble(Console.ReadLine());

​

                      num2 = Convert.ToDouble(Console.ReadLine());

​

                      switch( op)

​

                      {

​

                             case '+':

​

                                   Console.WriteLine("{0} + {1} = {2}", num1, num2 (num1+num2));

​

                                   break;

​

                             case '-':

​

                                    Console.WriteLine("{0} - {1} = {2}", num1, num2, (num1 - num2));

​

                                    break;

​

                             case '*':

​

                                    Console.WriteLine("{0} * {1} = {2}", num1, num2, (num1 * num2));

​

                                     break;

​

                              case'/':

​

                                       if  (num2 == 0.0)

​

                                                 Console.WriteLine("Divide by zero situation");

​

else

​

                                                 Console.WriteLine("{0} / {1} = {2}", num1, num2, (num1 / num2));

​

                                                 break;

​

}

​

Console.WriteLine("Press Any Key to Exit the Program");

​

Console.ReadKey();

​

                 }

​

          }

​

}