private void Divisionbutton_Click(object sender, EventArgs e)
{
try
{
operation = ":";
firstNumber = float.Parse(ScreentextBox.Text);
ScreentextBox.Clear();
}
catch
{
ScreentextBox.Text = "SYNTAX ERROR";
}
}
private void ACbutton_Click(object sender, EventArgs e)
{
ScreentextBox.Clear();
}
