public void userSelection() { Calculator calc = new Calculator(); //Creating an object to access the calculator methods Console.Write("Please enter the first number: "); double testnum = Convert.ToDouble(Console.ReadLine()); Console.Write("Please enter the operator: "); string operators = Console.ReadLine(); Console.Write("Please enter the second number: "); double testnum2 = Convert.ToDouble(Console.ReadLine()); if (operators == "+") { Console.WriteLine("Total: " + calc.Adding(testnum, testnum2)); } else if (operators == "-") { Console.WriteLine("Total: " + calc.Subtraction(testnum, testnum2)); } else if (operators == "*") { Console.WriteLine("Total: " + calc.Multiply(testnum, testnum2)); } else if (operators == "/") { Console.WriteLine("Total: " + calc.Divide(testnum, testnum2)); } else if (operators == "%") { Console.WriteLine("Total: " + calc.Remainder(testnum, testnum2)); } else { Console.WriteLine("Invalid control, please try again!"); userSelection(); } }