private void Button_Click_Factorial(object sender, RoutedEventArgs e) { // Also factorial max out at 3500... Because anything higher breaks stuff (I.e. that loop down their loops many many many times. Also overflows so) if (CalcController.InputBoxIsNotEmpty(InputBox) && int.Parse(InputBox.Text) > 3500) { CalcController.OverwriteInput("NaN"); } else if (CalcController.CanPlaceOperator()) { CalcController.AddTextOperatorBox("", $"!({InputBox.Text})"); CalcController.ClearInputBox(); } }