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Old HP Forum Archives

Threads

  1. HP-97 Card reader reassembly (2 Replies)
  2. An update on Carly (13 Replies)
  3. Repaired 41C (5 Replies)
  4. Re: N cell alkaline batteries, inexpensive (0 Replies)
  5. Is the HP49G+ that bad? (7 Replies)
  6. Cleaning the goo off card reader (11 Replies)
  7. HP41 faster after crash and reset? (2 Replies)
  8. Geodat, any info about the ic's and unit? (5 Replies)
  9. Shirt pocket plotter for HP41 (3 Replies)
  10. HP owners actually use them? (36 Replies)
  11. Repair of HP 11C (4 Replies)
  12. New ILPer version for the PIL-Box (4 Replies)
  13. HP 30b Business Professional (2 Replies)
  14. Reduce fraction on HP50G (2 Replies)
  15. Latest crazy auction - HP-70 for $660 (16 Replies)
  16. Adjusting HP-97 card reader (1 Reply)
  17. One HP-35 back to life (0 Replies)
  18. Applied Stats Solutions 1 and 2 documentation (1 Reply)
  19. Query re. HP 82973A HP-IL Interface card and 82161A Digital Cassette Drive (8 Replies)
  20. HP 19B (3 Replies)
  21. Scientific American Magazine Article (13 Replies)
  22. Sparcom manuals somewhere? (2 Replies)
  23. Gaussian Primes (1 Reply)
  24. HP 50G...the last graphing calc from HP? (5 Replies)
  25. Comparason of Old Computers and Calculators .... (11 Replies)
  26. fair Value on HP-35 (2 Replies)
  27. Why no relative pointer in RPL (5 Replies)
  28. Graphing Calculator Innovations (12 Replies)
  29. db: Double wide ENTER key spotted in the wild (23 Replies)
  30. A viable vintage data aquisition system? (9 Replies)
  31. OT: New Version of TI-Nspire (8 Replies)
  32. Apollo Soyuz HP 65 (4 Replies)
  33. Residuals in HP41 BatteryCompartment (1 Reply)
  34. 16c case refurbishment (5 Replies)
  35. is more valuable a 41cx broken calculator than a good one? (4 Replies)
  36. Capricorn CPU microcode (6 Replies)
  37. Battery pack for an HP-35 (5 Replies)
  38. Here's a rare HP48GX (5 Replies)
  39. USB Logic Analyzer (7 Replies)
  40. HP-35S : do the battery last that long? (5 Replies)
  41. HP41c rechargeable battery (82120A) circuit diagrams ? (0 Replies)
  42. H-P on TV (0 Replies)
  43. LogicDart help needed (probes) (3 Replies)
  44. Reading and writing text files from/to LIF-files: Two new scripts (1 Reply)
  45. identify old calculator? (6 Replies)
  46. FDIO - floppy drive utility (1 Reply)
  47. Mildly amusing and relevant (1 Reply)
  48. HP50g SigmaDat (7 Replies)
  49. New MLDL2000 Disassembler function (3 Replies)
  50. MLDL2000 Disassembler to SDK - Help (1 Reply)
  51. How sweet it is! (2 Replies)
  52. Wild hack: Synchronize your HP-41 with your mobile phone calendar (2 Replies)
  53. Classic Calculator Feet/Latch (0 Replies)
  54. That old auction business of "disclosure" (6 Replies)
  55. The HP 50G could have been given a large ENTER key (2 Replies)
  56. HP-97 printer paper feed cam shaft (7 Replies)
  57. 30b can be ordered (18 Replies)
  58. LIF file specification (2 Replies)
  59. Transformer Source? 82002A Charger (0 Replies)
  60. Repairing a HP 82033 Battery Pack (7 Replies)
  61. HP35s zip cover (25 Replies)
  62. hp48, factorization (15 Replies)
  63. Off-Topic: Who can solve this? (13 Replies)
  64. OT: Bid War (1 Reply)
  65. HP41 bugs - testing (6 Replies)
  66. There seems to be a very recent bull market... (5 Replies)
  67. HP-41: Read/Write XM file from a LIF-file? (6 Replies)
  68. Somewhat OT, but not really. Screwy cursor behavior. (11 Replies)
  69. Kitchen timer on 17B/17BII/17BII+/19B/19BII/27S (1 Reply)
  70. HP-41 / EMU41P emulator query (4 Replies)
  71. HP41 Rechargeable Battery Pack - three pins ? (2 Replies)
  72. Notes on installing EMU41P on Portable Plus (0 Replies)
  73. 48GII Specifications? (4 Replies)
  74. EMU41 2.50 released as open source! (2 Replies)
  75. Parametric and Polar functions on 50G (2 Replies)
  76. N cell alkaline batteries, inexpensive (8 Replies)
  77. After my two fauxpas; re the HP41C below, here is the book (36 Replies)
  78. hp 50g won't find 2-line intersect on graph (5 Replies)
  79. Finally found a new 12C at Fry's; firmware version (2 Replies)
  80. Why are Serial Ports so Annoying? 49G But sort of Off Topic (5 Replies)
  81. HP200LX Connectivity Pack under Windows 7 (6 Replies)
  82. old HP67/97 programs for satellite communications (2 Replies)
  83. HP-41, HP-71, HP-75, HP-IL or all of the above? (10 Replies)
  84. HP-41: Manual for the ChemUser ROM? (2 Replies)
  85. Celestial Navigation softwarer for HP (4 Replies)
  86. OK, Fess Up, Who's the lucky winner? :-) (4 Replies)
  87. Sign of a new HP calculators prices inflation? (9 Replies)
  88. If you could.... (14 Replies)
  89. 82059B/D (6 Replies)
  90. Lagrangian Interpolation for the HP-67 and HP-41C (3 Replies)
  91. HP67-97 Space Systems User's Guide (5 Replies)
  92. Problems with my 40G (3 Replies)
  93. Classic display segment intermittent - cause? (3 Replies)
  94. Power switch repair (3 Replies)
  95. HP70 original box (8 Replies)
  96. HP-41: Nirvana Setup (1 Reply)
  97. Programmable ? (5 Replies)
  98. Curious question (OT): Green LEDs? (14 Replies)
  99. HP 30B (1 Reply)
  100. Card Reader motor - doesn't spin smoothly (23 Replies)