Writing Tablet for Math

I’ve been using  a CyberPad writing tablet in my math classroom.  This has taken the place of my whiteboard, chalkboard (yes I still have a chalkboard), and overhead projector.  Here are some advantages and disadvantages:
 Advantages:
1. No more messy overheads. I don’t have the classic blue hand from wiping the overhead with my hand.
2. No more [...]