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1. Tantal Cap - strange color code? (1 Reply)
2. HP-41 question(s) (2 Replies)
3. HP15C HP42S integration of trig differs in *rad and *deg (16 Replies)
4. Little math challenge (no complete automatism allowed) (10 Replies)
5. hp 39gs how to solve a quadratic equation (1 Reply)
6. TI Mag card on HP (2 Replies)
7. HP97 printer never turns off (3 Replies)
8. HP 25C troubleshooting (6 Replies)
9. LiPo battery pack (HP 35 etc.) (11 Replies)
10. HP-35 Power Supply Waveforms (0 Replies)
11. 35 vs. 38 THROWDOWN! (3 Replies)
12. Looking for missing pages in book 'HP-41 in der Praxis" (2 Replies)
13. Finally updating HP67 emulator (0 Replies)
14. HP-35 Battery Door Repair or Replace (10 Replies)
15. Which programs do you actually use in your calculator? (26 Replies)
16. Introduction (2 Replies)
17. German translation of the HP 48S and HP 48G user guide (6 Replies)
18. HP-35 Article in EDN (3 Replies)
19. HP50G USB drivers - Win10 64bit errors (6 Replies)
20. HP 48SX Connectivity? (9 Replies)
21. Integral on HP 42S (2 Replies)
22. HP-80s and HP-71s (2 Replies)
23. Non-English HP Program Forms ? (8 Replies)
24. how to read mathematics (2 Replies)
25. Introduction: (3 Replies)
26. HP-12C Prestige (5 Replies)
27. m48+ GPL source? (2 Replies)
28. 48SX Fibonacci (with a few tricks) (2 Replies)
29. HP 12c platinum silver face plate replacement (1 Reply)
30. Enough to make you cry. (8 Replies)