private void ButtonSqurt_Click(object sender, RoutedEventArgs e)
{
PreviousNum = Math.Sqrt(double.Parse(TotalTextBox.Text));
TotalTextBox.Text = Math.Round(PreviousNum, 10).ToString();
PreviewTextBox.Clear();
PreviewTextBox.Visibility = Visibility.Hidden;
}
private void ButtonPower2_Click(object sender, RoutedEventArgs e)
{
PreviousNum = Math.Pow(double.Parse(TotalTextBox.Text), 2);
TotalTextBox.Text = PreviousNum.ToString();
PreviewTextBox.Clear();
PreviewTextBox.Visibility = Visibility.Hidden;
}
private void ButtonTotal_Click(object sender, RoutedEventArgs e)
{
PreviewTextBox.Clear();
Calculate();
isTotal = true;
PreviousNum = 0;
CurrentNum = double.Parse(TotalTextBox.Text);
DecimalPlaces = 12;
PreviewTextBox.Visibility = Visibility.Hidden;
OperatorTextBox.Visibility = Visibility.Hidden;
}
private void ButtonClear_Click(object sender, RoutedEventArgs e)
{
TotalTextBox.Text = "0";
Op = "";
HaveOp = false;
OperatorTextBox.Clear();
PreviewTextBox.Clear();
PreviousNum = 0;
CurrentNum = 0;
OperatorTextBox.Visibility = Visibility.Hidden;
PreviewTextBox.Visibility = Visibility.Hidden;
InvalidTextBox.Visibility = Visibility.Hidden;
}
private void ButtonTan_Click(object sender, RoutedEventArgs e)
{
PreviousNum = double.Parse(TotalTextBox.Text);
double Rad = PreviousNum * (Math.PI / 180);
CurrentNum = Math.Round(Math.Tan(Rad), 10);
if (PreviousNum == 90 || PreviousNum == 270)
{
InvalidTextBox.Visibility = Visibility.Visible;
TotalTextBox.Text = "0";
PreviousNum = 0;
PreviewTextBox.Clear();
PreviewTextBox.Visibility = Visibility.Hidden;
}
else
{
TotalTextBox.Text = CurrentNum.ToString();
PreviewTextBox.Text = "tan(" + PreviousNum.ToString() + ")";
PreviousNum = CurrentNum;
}
}