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- Emacs 2.11a - HP48 series implementation https://www.hpcalc.org/details/3940 10 comments emacs
- Programming aphorisms from the PPC journal (calculators and programming in 1979). 10,12,13,14,26,28,33 are so true they hurt. 24 still applies today. https://www.hpcalc.org/hp48/docs/columns/aphorism.html 7 comments programming