This is Reverse Polish LISP software created on and for my HP48GX, in the Stone Age before the Interwebs.
GEB are programs I created to understand the venerable book, Gödel Escher, Bach: An Eternal Golden Braid
MIKE is an attempt at this repetitive grammar of my friend Mike Robert Avery.
TRIP is a handy auto trip calculator I made and used for years.
Unfortunately, these programs were made before I understood the importance of documentation. But fortunately, they are being resurrected!
*.txt things are readable source code.
Please check out the write-up: https://ology.github.io/2022/05/25/hp48g-ressurection/