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1. Has anyone heard from Dieter? (52 Replies)
2. Interesting way to get r (correlation coefficient) (0 Replies)
3. HP50g R/S key (12 Replies)
4. HP-67 Charger Connector (8 Replies)
5. HP Calc with feet & inches entry ? (8 Replies)
6. Battery Terminals for Classics. (3 Replies)
7. HP21 uses same RAM chip as HP25? (15 Replies)
8. HP=87 Disk Drives (4 Replies)
9. Which symbols get displayed by the 7 segment display on a HP 15-C? (3 Replies)
10. How to test memory in an HP48 RAM card (11 Replies)
11. HP 41CV problems (6 Replies)
12. HP41 NovRAM - storing ROM (3 Replies)
13. HP-11C Logo (3 Replies)
14. Battery Charger HP 45/ HP 67 (3 Replies)
15. HHC 2018 Programming Contests (87 Replies)
16. HP50G - SYSRPL Question (3 Replies)
17. HP 41 - branching to local label and return stack - FINAL RESULTS AND PROGRAMS (42 Replies)
18. HP 67 cleaning: which silicone grease for the switches? (3 Replies)
19. MoHPC Reaches 10,000 members (6 Replies)
20. HP-41C LOG PAC (14 Replies)
21. (HP67 app) Pricing Calculation with known Markup for new Price comparison. (14 Replies)
22. Help - Assembly programming on Debug4x (HP50G) (13 Replies)
23. Classic Schematics (13 Replies)
24. Any HP-25c schematics? (8 Replies)
25. Keyboard domes for HP10C, HP11C, HP12C, HP15, HP16C (0 Replies)
26. HP19/29C Display (3 Replies)
27. voyc: Compile CommodoreBASIC to HP 15-C (1 Reply)
28. rom2raw update (1 Reply)
29. EMU48 1.61 and KML (2 Replies)
30. Keyboard Layout HP-41C and early models (16 Replies)