private void equal_Click(object sender, EventArgs e)
{
while (true)
{
if (PEMDAS.checkforZero(n) == true)
{
MessageBox.Show("Error: Cannot be divided by zero");
break;
}
if (output_screen.Text != String.Empty)
{
res = PEMDAS.equal_function(n);
addOutputscreen(n + " = ");
hist_list.Text = "\n" + output_screen.Text.Substring(0, output_screen.TextLength - 3) + "\n= " + res.ToString() + "\n" + hist_list.Text;
ioScreen.Text = res.ToString();
prev_res = res;
PEMDAS.ops.Clear();
PEMDAS.nums.Clear();
output_screen.Text = String.Empty;
n = "";
op_actv = true;
}
else
{
res = double.Parse(ioScreen.Text);
prev_res = res;
hist_list.Text = "\n" + "\n= " + res + hist_list.Text;
n = "";
}
break;
}
}
private void reciprocal_Click(object sender, EventArgs e)
{
if (ioScreen.Text != "" && ioScreen.Text != "0")
{
n = PEMDAS.other_ops(n, "reciprocal");
ioScreen.Text = String.Empty;
ioScreen.Text += n;
}
}
//Other Events
private void sqr_function_Click(object sender, EventArgs e)
{
if (ioScreen.Text != "" && ioScreen.Text != "0")
{
n = PEMDAS.other_ops(n, "sqr");
ioScreen.Text = String.Empty;
ioScreen.Text += n;
}
}
private void percent_Click(object sender, EventArgs e)
{
if (PEMDAS.nums.Count != 0)
{
n = PEMDAS.other_ops(n, "percent");
ioScreen.Text = String.Empty;
ioScreen.Text += n;
equal.PerformClick();
}
}
private void ops_Click(string num, string op)
{
if (op_actv == false)
{
if (ioScreen.Text != "" || n != "") //As to not make an error when ioScreen.Text is empty
{
nth++;
PEMDAS.add_num(double.Parse(num));
PEMDAS.add_ops(op);
addOutputscreen(num + " " + op + " ");
n = "";
op_actv = true;
}
}
}