private void EqualButtom_Click(object sender, EventArgs e)
{
if (pointender)
{
ScreenTextBox.Text = "Syntax.Error";
GeneralScreenBox.Clear();
}
else if (!operationmade)
{
GeneralScreenBox.Text += ScreenTextBox.Text;
switch (operation)
{
case "+":
ScreenTextBox.Text = (result + double.Parse(ScreenTextBox.Text)).ToString();
break;
case "-":
ScreenTextBox.Text = (result - double.Parse(ScreenTextBox.Text)).ToString();
break;
case "x":
ScreenTextBox.Text = (result * double.Parse(ScreenTextBox.Text)).ToString();
break;
case "/":
if (double.Parse(ScreenTextBox.Text) == 0)
{
ScreenTextBox.Text = "Math.Error";
GeneralScreenBox.Clear();
}
else
{
ScreenTextBox.Text = (result / double.Parse(ScreenTextBox.Text)).ToString();
}
break;
default:
break;
}
if (ScreenTextBox.Text != "Math.Error")
{
History.Text += GeneralScreenBox.Text + "=\n";
History.Text += ScreenTextBox.Text + "\n";
result = double.Parse(ScreenTextBox.Text);
ans = result.ToString();
}
else
{
result = 0;
}
equal = true;
}
}
private void button_Click_Numbers(object sender, EventArgs e)
{
if (equal)
{
result = 0;
GeneralScreenBox.Clear();
ScreenTextBox.Clear();
}
Button button = (Button)sender;
if (operationmade)
{
ScreenTextBox.Clear();
}
if (button.Text == "." && ScreenTextBox.Text.Contains(".") || ScreenTextBox.Text == "0" && button.Text == "0")
{
}
else if (button.Name == "AnsButtom")
{
ScreenTextBox.Text = ans;
}
else if (button.Text == ".")
{
ScreenTextBox.Text += ",";
pointender = true;
}
else if (ScreenTextBox.Text == "0")
{
ScreenTextBox.Text = button.Text;
pointender = false;
}
else
{
ScreenTextBox.Text += button.Text;
pointender = false;
}
operationmade = false;
equal = false;
}
