That's a lot of money for a small amount of use cases, get a $70 Wacom.
the difference between writing on a screen and writing on an external tablet is hard to overstate...
also, they still sell paper notebooks )
If digital version is important, there are probably some scanning apps.
You'll look like a mega nerd if you pull that out in a classroom, assuming you even have the desk space. Not to mention the qol improvement of having your pen touch the screen you're drawing on.