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1. HP41 Card Reader motor coupling repair (2 Replies)
2. Pil-io serial and remote keyboard (7 Replies)
3. Clear Cased HP-41CX (1 Reply)
4. HP65 card header read/write head (6 Replies)
5. HP-41CV Fullnut disassembly (6 Replies)
6. An (i) for an i—29C’s usage (4 Replies)
7. HP-35’s CHS behavior (9 Replies)
8. Dark patch growing in LCD screen (2 Replies)
9. Multiple Curve Fitting Program HP-41 (18 Replies)
10. Pi Approximation Day (28 Replies)
11. Algorithm for entering numbers? (22 Replies)
12. Manuals for modules (3 Replies)
13. HP 50G question (6 Replies)
14. 128k FRAM Cards for HP48GX (2 Replies)
15. HP 50g Remote Control Mode (4 Replies)
16. HP65 card reader balls (13 Replies)
17. Odd Angles Formula Trivia (4 Replies)
18. HPs, How type this. (7 Replies)
19. 41CL EDTR module (2 Replies)
20. Learning About the HP 48 - VHS Tape (17 Replies)
21. HP48G Crystal / Timer Accuracy (2 Replies)
22. Peeking at different interpolation algorithms (3 Replies)
23. Introduction . . . (2 Replies)
24. Pioneer Repair. Is it worth it? (5 Replies)
25. Are the keycaps on the HP-46 "standard"? (0 Replies)
26. HP15C LE Bad Button Presses (15 Replies)
27. Magnetic Card failures (16 Replies)
28. Little math problems July 2019 (11 Replies)
29. Funny Factorials and Slick Sums (3 Replies)
30. 39gs why so cheap (40 Replies)