The theme in the 20 teen's is IoT (internet of things) and recently there have been many hacks/ improvements to tried and tested devices.

I have been seeing an increasing amount of calculator hacks involving either dropping in a Raspberry pi or installing android on a graphing calculator.

So how can a calculator be more useful, this thought development follows after dropping $220 on a graphing calc and still needing to use excel for my studies in Statistics class.

And could a calculator actually teach you there are some excellent models out there for the teaching side like Khan academy.

And would textbooks change to a online platform to supply there supporting material.