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Old HP Forum Archives

Threads

  1. Generating Permutations (2 Replies)
  2. How to clean a 20B ? (4 Replies)
  3. Evolution of the HP17B - prototype to current in pictures (10 Replies)
  4. NoVRAM / HEPAX MCODE Question (2 Replies)
  5. 82143A printer roller replacement (4 Replies)
  6. Hrast BASIC-4X Discussion (6 Replies)
  7. HP-65/67 keys not tight anymore after reassembling (1 Reply)
  8. HP15C LCD dust - any way to remove? (2 Replies)
  9. RPN for Kids and Poor Guys (2 Replies)
  10. Re: hp-15c: From my museum to yours.. (0 Replies)
  11. HP-97 keyboard sudden failure (0 Replies)
  12. OT: Can you identify this calculator? (4 Replies)
  13. HP-12c, November 25, 4046, answer (2 Replies)
  14. Qunestion about extending the HP-71B BASIC (14 Replies)
  15. Ángel Martin's 13 digit OS routines up on HP-41 MCODE wiki (1 Reply)
  16. Benefits from programming in vintage HP machines (10 Replies)
  17. Classic Plastic cases (3 Replies)
  18. HP-IL 71B to 71B via HPIL (11 Replies)
  19. Which calcs have click-and-rotate keys? (14 Replies)
  20. Some interesting Calculator items (3 Replies)
  21. uCalc Video (9 Replies)
  22. Free42 for Android, first alpha (17 Replies)
  23. HP-41 MCODE wiki: Mainframe entry points (1 Reply)
  24. Look what I found d8-) (19 Replies)
  25. hp 82175A thermal paper (1 Reply)
  26. The HP71B Program That Caused Some Tech Queries (4 Replies)
  27. (Trivia?) Display setting (5 Replies)
  28. 13: Unlucky number for some... (5 Replies)
  29. HP-41 MCODE: System calls - a cataloged/priotitized list? (17 Replies)
  30. Deteriorating pouch (case) (16 Replies)
  31. HP-41 MCODE: Compilation of routines for custom modules? (0 Replies)
  32. Question about programming the HP-71B (27 Replies)
  33. Important MLDL2000 update (1 Reply)
  34. Caveat emptor :( (8 Replies)
  35. Forum Opinion Sought on Early HP-65 (15 Replies)
  36. NOAA tour at HCC2010 (video) just added two more! (0 Replies)
  37. Restoring a card reader from an HP65 (1 Reply)
  38. HP-41C/LCD Display Problems (12 Replies)
  39. Telesensory Systems - any connection to HP? (7 Replies)
  40. HP-41: Buffers (creation & managing) (11 Replies)
  41. David Yerka? & updated ICEBOX user manual (2 Replies)
  42. Happy Thanksgiving!!! (5 Replies)
  43. Hhp 32k EPROM box (2 Replies)
  44. HP-41: Sail boat parameter program (0 Replies)
  45. HP 21 keyboard problem (2 Replies)
  46. Reversi reconstituted (4 Replies)
  47. Surface soldered chips (HP71B) (4 Replies)
  48. HP 20S recurring key identification (5 Replies)
  49. Android HP Calculator (1 Reply)
  50. Can you do this with a HP calculator? (9 Replies)
  51. HP-41: Backup and restore of complete HEPAX RAM across the whole NoVRAM, NoV-32 & NoV-64 modules (1 Reply)
  52. Updated DATA management (STAT & DATA) (10 Replies)
  53. 41 MCODE Question (22 Replies)
  54. HP-41 File management system (4 Replies)
  55. Getting younger people involved - HHC Scholarship? (10 Replies)
  56. Statistical analysis galore (9 Replies)
  57. HP 12c+ and HP 50g - initial impressions (44 Replies)
  58. OT - Tower of Hanoi (5 Replies)
  59. HP-35s current production line question (9 Replies)
  60. Emulators from HP (6 Replies)
  61. Towers of Hanoi in RPN (24 Replies)
  62. Updated HP-41 ftplugin and syntax files for VIM (0 Replies)
  63. Unisonic 811 with HP LED (3 Replies)
  64. 35s printed User's Guide (17 Replies)
  65. Physical dimensions of old HP calculators (6 Replies)
  66. HP 15C emulator for Ipod touch (10 Replies)
  67. Bobby Schenk Yacht Module; Answer from Bobby himself (17 Replies)
  68. Brain dead, need help with program (7 Replies)
  69. Cell types for Pioneers (1 Reply)
  70. Future of HP-IL with PIL-Box and TCP/IP? (1 Reply)
  71. Update to UC-41: Libraries to handle XM and HEPAX files (0 Replies)
  72. 15c calculator (7 Replies)
  73. Why the resistance to make a true pocket Sci RPN calc (10 Replies)
  74. Calculator Sacrilege.. (13 Replies)
  75. TOMSROM manual in pdf? (7 Replies)
  76. Robotic Programming for 35s? (9 Replies)
  77. plastic glue (1 Reply)
  78. 12c date range (43 Replies)
  79. 41Z - Just got POLARized... (9 Replies)
  80. I think my collection is complete... (23 Replies)
  81. Windows site registry cleaner (9 Replies)
  82. ERAMCO ROM BOX Info (2 Replies)
  83. OT: Vintage Gaming (0 Replies)
  84. How to use a formula in a post (4 Replies)
  85. HP 30B Keyboard Overlay ... really? (19 Replies)
  86. HP-25C ACT Chip? (0 Replies)
  87. Finally (3 Replies)
  88. Duplicate Submission! error (3 Replies)
  89. HP75C Display (was zebra connector) (8 Replies)
  90. HP-33C dead after connecting Charger witout batteries (6 Replies)
  91. HP-35 chip images and schematics (5 Replies)
  92. OT - Age restricted audience - 50+: KIM-1 / SDK-85 (12 Replies)
  93. HP-82059B Charger What's it for (2 Replies)
  94. decimal point (3 Replies)
  95. ANS vs LAST-X (2 Replies)
  96. Suggestion for improved physical design (14 Replies)
  97. Old geeks miss their HPs (10 Replies)
  98. Navigation Module (14 Replies)
  99. Looking for availability of HP 30B near Austin TX (20 Replies)
  100. HP75C 82713A plug-in module simulator (1 Reply)