public void PercentButton()
{
if (String.IsNullOrEmpty(Operator))
{
decimal result = Convert.ToDecimal(FirstOperand.FullPart);
result = (result == 0 ? (decimal)(1f / 100f) : (decimal)(result / 100));
FirstOperand.Equal(result);
}
else
{
decimal result = Convert.ToDecimal(SecondOperand.FullPart);
result = (result == 0 ? (decimal)(1f / 100f) : (decimal)(result / 100));
SecondOperand.Equal(result);
}
NotifyOfPropertyChange(() => Result);
}