// This method is used for adding and calculating the Pi and E number
private void AddPiE(string value)
{
// Check if there is operator or not and then adding value to number 1 or 2
int index = @operator == null ? 0 : 1;
// Jump into the CheckerActivity class to check the input
if (CheckerActivity.IsInputValid(numbers, index, value))
{
numbers[index] = value;
Calculate();
}
UpdateCalculatorText();
}
// This method is used for adding numbers or decimal point to the text view
private void AddDigitOrDecimalPoint(string value)
{
// Check if there is operator or not and then adding value to number 1 or 2
int index = @operator == null ? 0 : 1;
// Jump into the CheckerActivity class to check the input
if (CheckerActivity.IsInputValid(numbers, index, value))
{
// Check if user press equal or not
// If user pressed equal and entered new number,
// it will automaticall replace the old number to the new one
if (this._justPressEqual)
{
numbers[index] = value;
}
else
{
numbers[index] += value;
}
}
UpdateCalculatorText();
}