c3d/db48x
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RPL runtime for the DM42 calculator, in the spirit of HP48/49/50
9 mentions on Hacker News by 4 people: 1 story, 8 comments · first 2024-11-06 · latest 2026-03-05
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I'm not sure how you draw the conclusion that there is no covered app store. Are you sure https://github.com/c3d/db48x/tree/dev/library is not covered, for example? More importantly, are you willing to indemnify me if some lawyer decides…
comment by c3d · 2026-03-05 · in Open source calculator firmware DB48X forbids CA/CO use due to age verification -
…I clarified in a recently updated version of the text, and I refer the readers to this discussion. https://github.com/c3d/db48x/blob/dev/LEGAL-NOTICE.md
comment by c3d · 2026-03-05 · in Open source calculator firmware DB48X forbids CA/CO use due to age verification -
…the wording was not clear enough. So I clarified in a recent commit. I also added Brazil and New. https://github.com/c3d/db48x/blob/dev/LEGAL-NOTICE.md
comment by c3d · 2026-03-05 · in Open source calculator firmware DB48X forbids CA/CO use due to age verification -
…site with freely downloadable pieces of software that can run on the calculator. For instance here: https://github.com/c3d/db48x/tree/stable/library Some of these include contributions from third parties. The problem is that the law is…
comment by c3d · 2026-03-05 · in Open source calculator firmware DB48X forbids CA/CO use due to age verification -
https://github.com/c3d/db48x > The DB48X project intends to rebuild and improve the user experience of the HP48 family of calculators They just updated their license to exclude California residents. The law is so vague there is a…
comment by WaitWaitWha · 2026-03-01 · in MidnightBSD Excludes Calif. From Desktop Use Due to Digital Age Assurance Act -
The DB48X project created a HP48G/HP50G style firmware for SwissMicros calculators. https://github.com/c3d/db48x
comment by ch_123 · 2025-11-11 · in The R47: A new physical RPN calculator -
Could you open an issue on the project's web site about the trouble you had installing? ( http://github.com/c3d/db48x ). Thanks! Also, were you aware of this tutorial: https://www.youtube.com/watch?v=rVWy4N0lBOI&list=PLz1qkflzAB...
comment by c3d · 2024-11-06 · in DB48X: High Performance Scientific Calculator, Reinvented -
…the symbol on the key looks like this: [' ()], it is on the second row on the rightmost column, see https://github.com/c3d/db48x/blob/stable/DB48X-Keys/DB48X-Ke... . The key is labeled like this because it serves a dual purpose to…
comment by c3d · 2024-11-06 · in DB48X: High Performance Scientific Calculator, Reinvented