On some laptops, there’s a hidden numeric keypad which you can enable by pressing Fn+NmLk keystrokes on the keyboard. If you are using a laptop without the numeric keypad, this method may not work for you. You must use the numeric keypad to type the alt code.
Place your insertion pointer where you need the symbol.If you don’t still get it, just obey the following instructions to type the Number Symbol using the alt code method: And your keyboard must also have a numeric keypad.