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1. no way, always invalid card data (2 Replies)
2. hp49g+/hp48gII advanced user's reference manual (5 Replies)
3. HP-41 EXT IL PLUS Module (1 Reply)
4. 34C LED Problem (3 Replies)
5. OT:Which the oldest calculator than it uses interchangeable rom? (3 Replies)
6. What is the smallest full trig calculator in production? (102 Replies)
7. Re: 12c application books (leasing, real estate, ... ?) anyone? (0 Replies)
8. 35s loose battery cover--need replacement (2 Replies)
9. 17B/II, different models... (44 Replies)
10. What would cause a HP41CV to SIZE 000-> REG 63 (3 Replies)
11. HPIL to RS232C ( HP 48GX) (0 Replies)
12. OT: Good at eyeballing? (10 Replies)
13. HP 35s ENTER and keystroke skipping (12 Replies)
14. HP-29C signs of life... any clues as to the cause? (4 Replies)
15. Is a 46 worth 1000 Euro? (5 Replies)
16. Allschwil's Meeting 2008 arrival (10 Replies)
17. OT: After 70 years: ENIGMAs found in Spain (7 Replies)
18. HHC 2008 (21 Replies)
19. New HP-41 book edition (3 Replies)
20. Desktop calcs - residual noise levels? (11 Replies)
21. 12C Classic Simulator for iPhone version 2.0 released (4 Replies)
22. First HP in Space... 65 or 41C? (11 Replies)
23. fixthatcalc.com (10 Replies)
24. HP95C (4 Replies)
25. Updating the museum with the "other" machines? (1 Reply)
26. The New HP47CX .... (32 Replies)
27. HP Credibility in the Real world (4 Replies)
28. HP 200A Oscillator on eBay (0 Replies)
29. HP 20b capabilities...demo video (3 Replies)
30. HP 9100B (3 Replies)
31. Complex conjugate function for the 42s? (2 Replies)
32. HP 50G MSLV in RPN (3 Replies)
33. Amazing day :-) (4 Replies)
34. New Off topic, the Great Wall of China thanks to my HP42S 'break program'! pics (11 Replies)
35. HP 48GX and Cynox Ram card 128kb ( warning invalid card data...) (2 Replies)
36. The PIL-Box, a new HP-IL <-> PC link solution (4 Replies)
37. Strange eBay prices lately..... (8 Replies)
38. Ongoing Pi Programming Contest (42 Replies)
39. Numerical Integration on the 35S (23 Replies)
40. Another RPN Convert? (12 Replies)
41. external drive for HP 48G (1 Reply)
42. 14B & 10B, different models... (3 Replies)
43. The MOARP (a "concept module"... wouldn't it be nice?) (22 Replies)
44. 1984 micro comp catalog (0 Replies)
45. HP50g - Input with default value (4 Replies)
46. Lets see your office or lab with the HP stuff in it! I will start... (48 Replies)
47. Allschwil's Meeting 2008 (16 Replies)
48. Which X/Fs normalize Data? (1 Reply)
49. HP50g Global variables scope (2 Replies)
50. ATIME function HP 41CX versus "ATIME" routine for HP42S (16 Replies)
51. HP 50g, degree mode, complex polar numbers w/ negative angle (5 Replies)
52. Bill & Dave (1 Reply)
53. Fake Clonix on Ebay (9 Replies)
54. Problems with 34C (19 Replies)
55. Just for Fun...? (4 Replies)
56. 50G symbolic solver (3 Replies)
57. HP-71b – best config ever (1 Reply)
58. Here's what I carted to the HCC in Corvallis, thought it was... (5 Replies)
59. 82240 A and B, what's the difference? (1 Reply)
60. Help needed - ATA mode CF Cards & 200LX (5 Replies)
61. HP 37 red led with a card reader ! (1 Reply)
62. OT: James May's Top Toys (6 Replies)
63. hyperbolic curiosity (48 Replies)
64. I'm just curious (4 Replies)
65. Upgrading memory of Pioneer models - other than 42s (3 Replies)
66. Survey active! From www.hpcalc.org ... HP would like to hear about your favorite vintage HP calc! (51 Replies)
67. More Forth-41 and HHC2008 Challenge Fun (0 Replies)
68. HP 50G Cube Root of Negative (8 Replies)
69. Contact info for Chris Coffin or Ted Wadman (2 Replies)
70. HP 71B Zenwand Manual (1 Reply)
71. Forth-41 rearranged to run into CX's machines (13 Replies)
72. MOD file format differences for V41 vs i41cx/Nonpareil (3 Replies)
73. HP 41cx, CLONIX, cosmic rays? Northern lights? what gives? (19 Replies)
74. HP doing surveys on vintage calcs (11 Replies)
75. HP20B low battery warning doesn't work (12 Replies)
76. fix an HP 41C tall key - fullnut (6 Replies)
77. HP calculator - pure RPN only (17 Replies)
78. OT: I'm in the paper (7 Replies)
79. The HP41CX "ATIME" function question (2 Replies)
80. 42s printing (16 Replies)
81. i41CXp and HEPAX, almost there... (33 Replies)
82. mystery X Funtion module for HP-41 (3 Replies)
83. HP 50g or older HP48 (16 Replies)
84. HP20B Development Tools / Code (2 Replies)
85. ROM file to MOD conversion (3 Replies)
86. 48GX... Black LCD version... (7 Replies)
87. Calculators that have Scrolling Commas? (24 Replies)
88. For the Collectors (Spot the 35 & 48) (1 Reply)
89. O.T. Need repair advice (5 Replies)
90. Units Menu - HP48 vs. HP50 (3 Replies)
91. HHC 2008 (49 Replies)
92. Allschwil's Meeting (19 Replies)
93. HP 82163 Video Interface (2 Replies)
94. HP 48GX blue / black LCD (1 Reply)
95. 17bII programming question (28 Replies)
96. RPN calculator versus Iphone emulator? (10 Replies)
97. Voyageur Emulators for iPhone now available through AppStore (4 Replies)
98. Nice SPIEGEL calculator time-line (1 Reply)
99. HP97 Printer (1 Reply)
100. where is 35s cos bug (3 Replies)