The hardware for the system consists of a TI-84 graphing calculator, a few bits and bobs in the way of components, and an Arduino Pro Mini powered from the USB port on the calculator.

It’s not Apple IIs, and it’s not Raspberry Pis. The most important computing platform for teaching kids programming is the Texas Instruments graphing calculator. These things have been … ...

The humble Texas Instruments graphing pocket calculator has seen its fair share of mods over the years, thanks in part to an oddly active development community of procrastinators desperate to get ...