private static void StartWithOperator(Calculator calculator, string input)
{
double firstNumber = double.Parse(Console.ReadLine());
switch (input)
{
case "+":
calculator.Add(firstNumber);
break;
case "-":
calculator.Subtract(firstNumber);
break;
case "*":
calculator.Multiply(firstNumber);
break;
case "/":
calculator.Division(firstNumber);
break;
}
Console.WriteLine($"The result is: {calculator.FinalResult()}");
}
static void Main(string[] args)
{
Calculator calculator = new Calculator();
while (true)
{
try
{
string input = Console.ReadLine();
if (input == "=")
{
Console.WriteLine($"The result is: {calculator.FinalResult()}");
}
else if (input == "+" || input == "-" || input == "*" || input == "/")
{
StartWithOperator(calculator, input);
}
else
{
NumberProcessing(calculator, input);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
private static void NumberProcessing(Calculator calculator, string input)
{
calculator.Clear();
double firstNum = double.Parse(input);
string operation = Console.ReadLine();
double secondNum = double.Parse(Console.ReadLine());
switch (operation)
{
case "+":
calculator.Add(firstNum, secondNum);
break;
case "-":
calculator.Subtract(firstNum, secondNum);
break;
case "*":
calculator.Multiply(firstNum, secondNum);
break;
case "/":
calculator.Division(firstNum, secondNum);
break;
}
Console.WriteLine($"The result is: {calculator.FinalResult()}");
}