/// <summary>
/// calculate result,
/// if there is error, print error instead of invalid result
/// </summary>
private void Calculate()
{
double?result = _calculator.Calculate(MainEquationInputTextBox.Text);
ShowResult(result.HasValue ? StringControl.DoubleToString(result.Value) : _calculator.GetError());
if (result.HasValue)
{
ShowAns();
}
}
/// <summary>
/// Will show text in memory TextBox
/// </summary>
private void ShowMemory()
{
MemoryTextBox.Text = StringControl.DoubleToString(_calculator.GetMemory());
}
/// <summary>
/// Will show text in ans TextBox
/// </summary>
private void ShowAns()
{
AnsTextBox.Text = StringControl.DoubleToString(_calculator.GetAns());
}
