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1. HP15C Collectors Edition from Moravia is just born (0 Replies)
2. HP 110 Portable ROM error 162 (2 Replies)
3. HP-35 and HP-45 ROMs (4 Replies)
4. HP-45 Internal Pointer Operations (8 Replies)
5. Voyager manual size ? (9 Replies)
6. Maximize a 41C - Challenge (23 Replies)
7. voyager-lcd: Linux & Windows utility for Voyager display conversion to hexadecimal (12 Replies)
8. Trying to revive a HP67 (Dead on arrival) (2 Replies)
9. A very noteworthy HP-15C mention (7 Replies)
10. Reverse-engineering an early calculator chip with four-phase logic (0 Replies)
11. HP 41c with X-FUNCTION (2 Replies)
12. HP-41C weird program behaviour (18 Replies)
13. SATURN BASIC for HP-48G/G+/GX, HP-49G and HP-49G+/50G (54 Replies)
14. Classic (HP-67) charger / battery problem (6 Replies)
15. Help needed with the Arduino HP-IL mass storage and 41c (9 Replies)
16. list of compatible 48s,sx doner lcds for replacement? (10 Replies)
17. Statistical registers assignments in HP RPN calculators (3 Replies)
18. HELP on compiling BASIC C Source Code (14 Replies)
19. (12C/11C) Changing the firmware (8 Replies)
20. 9100B with smoked zener (6 Replies)
21. [HP41CX] V41 memory screwed up; HowTo recover? (2 Replies)
22. HP49-50G: gallonUK conversion into l (4 Replies)
23. Perimeter of the Ellipse (HP-15C) (28 Replies)
24. Broken battery contact HP-67 (1 Reply)
25. HP-82104 Cover Removal (0 Replies)
26. HP48s/g with expanded memory (6 Replies)
27. How to purhcase a fully working HP41CX on eBay? (39 Replies)
28. Earliest 41CX serial number (2 Replies)
29. HP-97 Charging circuit not working (5 Replies)
30. Hp50Emu48 g vs Swiss Micro DM42 (3 Replies)