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1. We are currious (1 Reply)
2. HP82143A Repair - Paper Advance and Round O-rings (3 Replies)
3. HP-41C service module question (11 Replies)
4. HP-67 Merge operation (6 Replies)
5. Batteries for the classics. (0 Replies)
6. HP41CL Secondary MMU Lockup (6 Replies)
7. Replacement rubber feet for 50g (5 Replies)
8. hp 16c (or any voyager) User Guide Dimensions (10 Replies)
9. Prime and 50g, interesting perspective (14 Replies)
10. HP 9100B Repair - you can follow (1 Reply)
11. SADHP (2 Replies)
12. Special HP50G Program for replacing " or other signs (4 Replies)
13. HP25 RAM (5 Replies)
14. 41cv assembly (2 Replies)
15. MCODE EPROM HARDWARE (21 Replies)
16. HP 17B Solver - another ARCTAN(Y/X) approximation (13 Replies)
17. A little help understanding math.... (8 Replies)
18. HP41: how to use "Solve" from Math module in another programm? (9 Replies)
19. HHC2021 Web Site Is Now Live (16 Replies)
20. HP82143A Repair - Buzzing While Powered On (6 Replies)
21. Why no Voyager HP-14C? (9 Replies)
22. HP 48G - Edit List (6 Replies)
23. Email from Wlodek regarding calculator book (2 Replies)
24. Trying to recover 67's prerecorded magnetic cards (24 Replies)
25. HP65 display issue (13 Replies)
26. Summation based benchmark for calculators (232 Replies)
27. Connect 49g to PC via USB (3 Replies)
28. Module Dependency (7 Replies)
29. HP 33E Question - battery and NiCad batteries (7 Replies)
30. HP35 50th anniversary is nigh! (1 Reply)