private void button11_Click(object sender, EventArgs e)
{
if (DisplayNumber.number == true)
{
DisplayNumber.Addonstring(".");
textBox1.Text = DisplayNumber.stringofnumber;
DisplayNumber.number = false;
}
}
private void button7_Click(object sender, EventArgs e)
{
DisplayNumber.Addonstring("9");
textBox1.Text = DisplayNumber.stringofnumber;
DisplayNumber.number = true;
}
private void button17_Click(object sender, EventArgs e)
{
DisplayNumber.Suppstring();
textBox1.Text = DisplayNumber.stringofnumber;
DisplayNumber.number = true;
}
