// DEl Sqrt X^2 1/X
private void Expandfun_Click(object sender, RoutedEventArgs e)
{
if (sender == delButton)
{
if (resultLable.Content.ToString().Length != 1)
{
resultLable.Content = resultLable.Content.ToString().
Substring(0, resultLable.Content.ToString().Length - 1);
}
else
{
resultLable.Content = "0";
}
}
if (sender == sqrtButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = Math.Sqrt(lastValue);
resultLable.Content = lastValue.ToString();
}
}
if (sender == powButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = SimpleMath.pow(lastValue);
resultLable.Content = lastValue.ToString();
}
}
if (sender == revButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = SimpleMath.rev(lastValue);
resultLable.Content = lastValue.ToString();
}
}
}