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Old HP Forum Archives

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  1. HP35s Flag10 (2 Replies)
  2. (a + ib)^(x + iy) on HP 15C (9 Replies)
  3. INVISIBLE DECIMAL POINT (5 Replies)
  4. Messner article "Fast Learners" debates Calculators in the Classroom (0 Replies)
  5. Sharing a Story (15 Replies)
  6. Antikythera Mechanism Revisit (1 Reply)
  7. HP 20b and CFA exam (1 Reply)
  8. HP 41CX replacement battery foil (2 Replies)
  9. HP is hiering... if you are interested... (1 Reply)
  10. programing Hp-41cx (0 Replies)
  11. Four completed projects (2 Replies)
  12. hbo1 - can you contact me please (2 Replies)
  13. How to open battery-cabinets (0 Replies)
  14. OT - Bandwidth usage (1 Reply)
  15. HP-16C : re-surfaced keys (8 Replies)
  16. It arrived (0 Replies)
  17. HP82161A Digital Cassette Drive (4 Replies)
  18. Windows installer for Nonpareil nearly ready (0 Replies)
  19. HP41 Mcode Entrypoint for 'high precision numbers' (3 Replies)
  20. How to Open HP17BII + (2 Replies)
  21. HP-41CV zebra strips (7 Replies)
  22. HP41 Nicad pack and Batteries (5 Replies)
  23. HP 48G display comma separator (4 Replies)
  24. Open letter, search and plea for Emmanuel Compes - E03_RTN (22 Replies)
  25. HP 22 recharable batteries (1 Reply)
  26. Nonpareil progress on 67, 97, and 19C (0 Replies)
  27. HP-67 Black Box for creating Word/Phrase/Graphics !! (0 Replies)
  28. Inverse of Harmonic Numbers (hp 33s) (4 Replies)
  29. Are 65, 67, 97, 41c reader motors interchangeable? (0 Replies)
  30. HP 41C Card Reader Metal Strip (3 Replies)
  31. Re: Anyone build a ZVC (Zeprom Voltage Converter) Continued - 2 (4 Replies)
  32. New 33S at auction (0 Replies)
  33. Generic paper in printers and best buys? (5 Replies)
  34. HP 20b front (12 Replies)
  35. HP-41 User's Library Solutions (4 Replies)
  36. ZVC ZEPROM Voltage Converter (continued) (21 Replies)
  37. HP emulator for Nokia N95 phone? (1 Reply)
  38. 20b.. so obvious even a 2 year old.... (2 Replies)
  39. 29c "Error" on power up, then works fine (3 Replies)
  40. HP 20B calculator availablity (0 Replies)
  41. HP 48G pdf manuals (4 Replies)
  42. 41c* card reader use more power when just plugged in? (2 Replies)
  43. HP20b - Wolf (RPL calc) in Sheep's (RPN Calc) Clothing? (21 Replies)
  44. SysRPL question (HP48G-series) (1 Reply)
  45. Q: What's better than a 15c? (26 Replies)
  46. HP 35s Screen Glare (4 Replies)
  47. Success, soaked my hp 15C... (2 Replies)
  48. HP-42s upgrades (3 Replies)
  49. Pioneer LCD problem or feature! (7 Replies)
  50. Case for HP20b (5 Replies)
  51. Best Newer HP Calculator under $40 (27 Replies)
  52. Wiki for HP-20B hacking (6 Replies)
  53. DVD Orders (4 Replies)
  54. HP20b Keys switched (2 Replies)
  55. HP Power Supply Unit (PSU) schematics & Pspice simulation (1 Reply)
  56. Did HP 65 originally include hard case in the box? (10 Replies)
  57. HP-20B dev: LCD (0 Replies)
  58. Looking for on-line HP-41 manual (14 Replies)
  59. HP-20B key matrix (2 Replies)
  60. Was the 11c shrink-wrapped when new? (2 Replies)
  61. MCODE - Prime Twin Finder - RFF (Request For Feedback) (0 Replies)
  62. OT (Obscurely Tangential): McCain/Fiorina? (4 Replies)
  63. 82240B Printer Emulation for Windows, Linux, and Possibly Mac (0 Replies)
  64. HP-20B test (2 Replies)
  65. HP67 Emulator Completed (18 Replies)
  66. HP CALCS (3 Replies)
  67. HP-97 Bug - Do you think they'll fix it? (8 Replies)
  68. HP 20b Operational Items (0 Replies)
  69. HP-20B pics! (21 Replies)
  70. HP20b Received (10 Replies)
  71. New HP 10bII - No Case Included! (6 Replies)
  72. iPhone HP RPN Emulator (1 Reply)
  73. Control your PC with the 50g (0 Replies)
  74. Prime factorization in the 48GX (8 Replies)
  75. 2GB question (9 Replies)
  76. Does anybody know that module? (6 Replies)
  77. I found a HP-46 today (2 Replies)
  78. My 20b has shipped! (9 Replies)
  79. HP-97 in Nonpareil (work in progress) (6 Replies)
  80. Damn....I really like the Voyagers (4 Replies)
  81. HP 100LX (2 Replies)
  82. 11c, 15c, 16c slip case variations question (1 Reply)
  83. New HP 17bII+ (17 Replies)
  84. HP 12/15/16 on new iPhone 2.0 (4 Replies)
  85. ZEPROM Auction Problems Explained (0 Replies)
  86. HP41 navigation module question (19 Replies)
  87. Anyone build a ZVC (Zeprom Voltage Converter) (13 Replies)
  88. HP 20S Self-Test Question (4 Replies)
  89. HP 32s/33s/35s Emulators? (3 Replies)
  90. WAY OT: programmer's sayings (19 Replies)
  91. Complex number capability in non-HP machines (11 Replies)
  92. Problem with tiny HP-16C program - can you debug this? (8 Replies)
  93. CMT Products (28 Replies)
  94. Updated HP41C Simulator from RLM TOOLS (2 Replies)
  95. OpenRPN wiki (3 Replies)
  96. Non-HP credit-card-sized scientific (6 Replies)
  97. HP 48SX Quick Reference Guide (4 Replies)
  98. HP-41 Online Module Database (0 Replies)
  99. HP-41 system question (5 Replies)
  100. HP41 on iPhone (26 Replies)