private void button18_Click(object sender, EventArgs e)
{
operation_pressed = false;
equation.Text = "";
switch (operation)
{
case "+":
result.Text = Operator.Add(value, double.Parse(result.Text)).ToString();
break;
case "-":
result.Text = Operator.Sub(value, double.Parse(result.Text)).ToString();
break;
case "*":
result.Text = Operator.Times(value, double.Parse(result.Text)).ToString();
break;
case "/":
if (result.Text == "0")
{
MessageBox.Show("Division Into Infinity ? ");
}
result.Text = Operator.Div(value, double.Parse(result.Text)).ToString();
break;
case "sqrt":
if (double.Parse(result.Text) < 0)
{
MessageBox.Show("See complex number i ");
}
result.Text = Operator.Sqrt(double.Parse(result.Text)).ToString();
break;
case "sq":
result.Text = Operator.PowToTwo(double.Parse(result.Text)).ToString();
break;
case "1 / x":
if (result.Text == "0")
{
MessageBox.Show("Division Into Infinity ? ");
}
result.Text = Operator.OneDivX(double.Parse(result.Text)).ToString();
break;
default:
break;
}
value = double.Parse(result.Text);
operation = "";
}
private void operator_click(object sender, EventArgs e)
{
Button button = (Button)sender;
if (value != 0)
{
if (button.Text == "sqrt")
{
if (double.Parse(result.Text) < 0)
{
MessageBox.Show("See complex number i ");
}
result.Text = Operator.Sqrt(double.Parse(result.Text)).ToString();
}
if (button.Text == "sq")
{
result.Text = Operator.PowToTwo(double.Parse(result.Text)).ToString();
}
if (button.Text == "1 / x")
{
if (result.Text == "0")
{
MessageBox.Show("Division Into Infinity ? ");
}
result.Text = Operator.OneDivX(double.Parse(result.Text)).ToString();
}
equal.PerformClick();
operation_pressed = true;
operation = button.Text;
if (operation == "1 / x")
{
equation.Text = $" {value} / 1";
}
else
{
if (value < 0)
{
//equation.Text = $" {value} - ";
equation.Text = $" {Math.Abs(value)}- - ";
}
else
{
equation.Text = value + " " + operation;
}
}
}
else if (button.Text == "sqrt")
{
if (double.Parse(result.Text) < 0)
{
MessageBox.Show("See complex number i ");
}
result.Text = Operator.Sqrt(double.Parse(result.Text)).ToString();
value = Operator.Sqrt(double.Parse(result.Text));
}
else if (button.Text == "sq")
{
result.Text = Operator.PowToTwo(double.Parse(result.Text)).ToString();
value = Operator.PowToTwo(double.Parse(result.Text));
}
else if (button.Text == "1 / x")
{
if (result.Text == "0")
{
MessageBox.Show("Division Into Infinity ? ");
}
result.Text = Operator.OneDivX(double.Parse(result.Text)).ToString();
value = Operator.OneDivX(double.Parse(result.Text));
}
else
{
operation = button.Text;
value = double.Parse(result.Text);
operation_pressed = true;
if (value < 0)
{
//equation.Text = value + " " + operation;
equation.Text = $" {Math.Abs(value)}- - ";
}
else
{
equation.Text = value + " " + operation;
}
}
}
