private void buttonMod_Click(object sender, EventArgs e)
{
Evalueted = false;
if (AllOperations.Contains(expression.Text.Last()))
{
expression.Text = $"{expression.Text.Remove(expression.Text.Length - 1, 1)}%";
}
else
{
expression.Text += "%";
}
}
private void buttonPI_Click(object sender, EventArgs e)
{
string[] lexems = expression.Text.Split(SplitersOperation);
if (expression.Text == "0" || lexems.Last().Contains(".") || !AllOperations.Contains(expression.Text.Last()))
{
expression.Text = Math.Round(Math.PI, 10).ToString().Replace(",", ".");
Evalueted = false;
}
else
{
expression.Text += Math.PI.ToString().Replace(",", ".");
}
}
private void Memory_MouseDown(object sender, MouseEventArgs e)
{
switch (e.Button)
{
case MouseButtons.Left:
Memory.Text = "0";
break;
case MouseButtons.Middle:
Clipboard.SetText(Memory.Text);
break;
case MouseButtons.Right:
expression.Text = !AllOperations.Contains(expression.Text.Last())
? Memory.Text
: (expression.Text + Memory.Text);
break;
}
}