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Threads

1. Image of inside of HP71B HP-IL module (22 Replies)
2. integral competition HP50g vs. DM42 (27 Replies)
3. HP 15C Programming (2 Replies)
4. (Possibly) interesting provenance of HP-15C manual (8 Replies)
5. SMI Training Video for HP-48GX and HP-48SX - VHS Tape (5 Replies)
6. Inverse Harmonic and Inverse Digamma Functions (HP 49G (*) and HP 50g ) (3 Replies)
7. Anyone have PDF - Readers Digest 9 / 1975 page 115 (2 Replies)
8. Help needed: HP 67 repair (3 Replies)
9. Update of Emu42 to v1.25 (0 Replies)
10. HHC mailing list down? (1 Reply)
11. Arduino Board as HP-IL device? (43 Replies)
12. Hp91 with very dim display (11 Replies)
13. Problem solving inequalities - 48gII (0 Replies)
14. Has anything ever come out of the ideas for a new HP 39gII firmware? (17 Replies)
15. HP-41 and Hepax Filesystem (31 Replies)
16. 3d print HP41C/V plastic shell and keys? (10 Replies)
17. [Doubt - HP-71B - GDISP] (8 Replies)
18. Free42 mobile app bug? (2 Replies)
19. Windows10 drivers: The "strange" USB-41 case. (long) (4 Replies)
20. HP 25 Flaky Power Switch (2 Replies)
21. The HP-71 and the Ubiquitous Binary File (4 Replies)
22. HP41 rom versions (8 Replies)
23. Diego Díaz Clonix & NoV Modules - HHC2020 Presentation (7 Replies)
24. Getting the name of current X-File (3 Replies)
25. HP41-CV Troubleshooting (3 Replies)
26. HP's Calculator Website (23 Replies)
27. HP 15C LCD Replacement (17 Replies)
28. HP48SX repair (1 Reply)
29. Speed of HP-49G Routine for Tektronix Vector Graphics Terminal (35 Replies)
30. HHC 2020 - status update (19 Replies)