private void MULTI_Click(object sender, EventArgs e)
{
Fnum = double.Parse(TEXTENT.Text);
action = "*";
TEXTENT.Text = TEXTENT.Text + "*";
TEXTENT.Clear();
}
private void MINUS_Click(object sender, EventArgs e)
{
Fnum = Convert.ToDouble(TEXTENT.Text);
action = "-";
TEXTENT.Text = TEXTENT.Text + "-";
TEXTENT.Clear();
}
private void PLUS_Click(object sender, EventArgs e)
{
Fnum = double.Parse(TEXTENT.Text);
TEXTENT.Text += "+";
sNum += Fnum;
action = "+";
TEXTENT.Clear();
}
private void CLEAR_Click(object sender, EventArgs e)
{
TEXTENT.Clear();
sNum = 0;
Fnum = 0;
}