private void BackButton_Click(object sender, RoutedEventArgs e)
{
if (Display != null && Display.Length > 0)
{
// On supprime le dernier caractère du calcul
Display = Display.Remove(Display.Length - 1);
CurrentExpression = CurrentExpression.Remove(CurrentExpression.Length - 2);
}
}
private void AssignOperatorToExpression(string oprtr)
{
if (DisplayText.EndWithAny(Models.Calculator.OPERATORS))
{
CurrentExpression.Remove(CurrentExpression.Length - 1, 1);
}
CurrentExpression.Append(oprtr);
DisplayText = CurrentExpression.ToString();
}
