private void EqualsOperation(object sender, EventArgs e)
{
if (operation == "+")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Add(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "-")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Subtract(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "*")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Multiply(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "/")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Divide(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
operator_pressed = false;
value = double.Parse(_uppertablelayout.OutputTextBox.Text);
operation = "";
}
public double Calculate()
{
return(ArithmaticOperations.Add(_num1, _num2));
}