WTB: "An Easy Course in Using the HP-16C" by Edward M. Keefe

[badacktor]

You know, that reminds me of the story* William Kahan has told about his Solve and Integration algorithms first seen on the 34C. Specifically about the manual and how it was written to explain things at a more granular level, with lower expectations of the user. Evidently HP brass didn't feel that tone was appropriate for their "Professionals Only" customer base, but after the release and the dust settled, the response to the manual was overwhelmingly positive.

I think even the most seasoned professional should always be delighted by a refresher course on a topic they "credentially" (not a real word, don't care) know extraordinarily well. You never know when someone's explanation of something will give you just a slightly different enough perspective to build an even deeper understanding in your mind. Like my dad always tells me, "everyone and everything can always teach you something new if you're willing to learn."

Besides, Ed Keefe's writing in a wonderful and delightful thing alone. I dunno. I feel like a copy of that book should be chained to every unit.

*(Sources: https://history.siam.org/%5C/pdfs2/Kahan_final.pdf pages 144-159, and https://www.youtube.com/watch?v=5mBw7tnRx1c&t=284s)