private void SingleOperation_Click(object sender, EventArgs e)
{
Button b = (Button)sender;
double number = Convert.ToDouble(textBox1.Text);
switch (b.Text)
{
case "x*x":
textBox1.Text = Convert.ToString(c.Power(number));
break;
case "1/x":
if (number != 0)
{
textBox1.Text = Convert.ToString(c.Inverse(number));
}
else
{
MessageBox.Show("На ноль делить нельзя");
MainText();
SecondaryText();
}
break;
case "%":
if (textBox1.Text != "0")
{
textBox1.Text = Convert.ToString(c.Percent(number));
}
break;
case "sqrt":
textBox1.Text = Convert.ToString(c.Sqrt(number));
break;
}
}