private void sqrt_Click(Object sender, EventArgs e)
{
Unar_Operator = "Sqrt";
try
{
Unar_Operators?.Invoke(this, EventArgs.Empty);
}
catch
{
result_window.Text = "Divide by zero -> hit C";
foreach (Control item in Controls)
{
if (item as Button != null)
{
(item as Button).Enabled = false;
}
}
reset.Enabled = true;
}
equals.Focus();
}
private void CE_Click(Object sender, EventArgs e)
{
Unar_Operator = "CE";
Unar_Operators?.Invoke(this, EventArgs.Empty);
equals.Focus();
}