Programming a TI-85 Graphing Calculator – Revisting the 1990’s TI-BASIC

In my previous post, I discussed how I cleaned out and restored my old TI-85 Graphing Calculator after finding corroded batteries inside. After finally getting it to turn on, I immediately started reliving my high school experience. It was honestly kind of surprising how quickly my memories came back to me. Despite not using the … Read more

TI-85 vs Potassium Carbonate: A Cautionary Tale

This year at the R Studio conference, I heard an excellent presentation from Mary Rudis on teaching statistics with R at community colleges. (I don’t teach at that level, but enjoy learning more about education techniques.) She mentioned in her talk that many students get their start in stats programming using graphing calculators. This comment … Read more

Welcome to Circuits and Code

Hello and thank you for visiting this new site! I decided to start this site after watching an excellent keynote at the 2019 RStudio Conference by David Robinson. He described the huge benefits of documenting what you are learning on twitter, blogs, videos, and even books. (The video is available for anyone interested.) Writing about … Read more