private void minus_Click(object sender, EventArgs e) //минус
{
if (numberBox.Text != "" && numberBox.Text != "Game over!")
{
if (Calculate != null)
{
double a = Convert.ToDouble(numberBox.Text);
tmp1 = Calculate.DoMath(tmp1, Convert.ToDouble(numberBox.Text));
if (Convert.ToString(tmp1) == "∞" || Convert.ToString(tmp1) == "-∞")
{
numberBox.Text = "Game over!";
numberBox2.Text = "";
tmp1 = 0;
tmp2 = 0;
Calculate = null;
}
else
{
numberBox.Text = "";
Calculate = new DoMinus();
numberBox2.AppendText($" {a} -");
}
}
else
{
tmp1 = Convert.ToDouble(numberBox.Text);
numberBox2.AppendText($"{numberBox.Text} -");
numberBox.Text = "";
Calculate = new DoMinus();
}
}
else if (numberBox.Text == "" && Calculate != null)
{
Calculate = new DoMinus();
int x = numberBox2.Text.Length - 1;
numberBox2.Text = numberBox2.Text.Remove(x, 1);
numberBox2.Text = numberBox2.Text + "-";
}
}
private void squared_Click(object sender, EventArgs e) //возводим в квадрат
{
if (numberBox.Text != "" && numberBox.Text != "Game over!")
{
ICalculate b = Calculate;
double a = Convert.ToDouble(numberBox.Text);
Calculate = new DoSquare();
string c = Calculate.DoMath(a, tmp2) + "";
if (c != "∞")
{
numberBox.Text = c;
Calculate = b;
}
else
{
numberBox.Text = "Game over!";
numberBox2.Text = "";
tmp1 = 0;
tmp2 = 0;
Calculate = null;
}
}
}
