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Old HP Forum Archives

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  1. Searching for the HP-71B Zenwand manual (1 Reply)
  2. Another Red Dot Auction - Very Bad Condition (13 Replies)
  3. Friday the 13th Challenge, "Make 13 on the 13th" (11 Replies)
  4. OT: Does anyone own an APF mark 55? (25 Replies)
  5. HP20b Log error (8 Replies)
  6. HP50g beta ROM version 2.14 (3 Replies)
  7. Another RPN calculator program for the Casio FX-9860! (3 Replies)
  8. OT: slide rules still in use (25 Replies)
  9. Signed Logic PCB (4 Replies)
  10. HP41 Virtual Memory - Terabytes? (8 Replies)
  11. OT: Fun use of maths in advertising (4 Replies)
  12. managing director of Educalc.net talk about HP (1 Reply)
  13. HP 50g users guide printed, spiral bound (2 Replies)
  14. Happy Pi Day (9 Replies)
  15. Latest Version of EMU41 (33 Replies)
  16. OT: For the (oops!) AOS lovers among us (17 Replies)
  17. RPN or algebraic (0 Replies)
  18. OT: New national record (3 Replies)
  19. HP-3468 HP-IL and HP questions (3 Replies)
  20. Maybe the Recession is Affecting Old HP Calcs (1 Reply)
  21. Basic questions about Clonix41 & Nov32/64? (11 Replies)
  22. HP-67: The Red Dot Low Battery LED almost always lighting (2 Replies)
  23. HP OfficeCalc 200 selling for $97!! (7 Replies)
  24. Dirty 31E (0 Replies)
  25. HP 41CV gone nuts (2 Replies)
  26. hp42s owner manual PDF pleeeease ....... (2 Replies)
  27. OT: Dude Puts a Pipe in a TI-83 Calculator; Calculator Still Works (3 Replies)
  28. 80 column HP-IL interface (2 Replies)
  29. HP 48GX or HP 50G? (11 Replies)
  30. HP9100A back to (1 Reply)
  31. Solving Exponential Equations (8 Replies)
  32. HP48 Series RAM Cards (potentially) available. (0 Replies)
  33. HP SmartCalc 300s (4 Replies)
  34. 82176A Mini Data Cassette equivalent? (16 Replies)
  35. Credit Card Size RPN calculator? (20 Replies)
  36. HP-75 HP-IL software/hardware needed - Trade? (4 Replies)
  37. 35s strangeness (32 Replies)
  38. TDS 512k RAM CARD acting up (0 Replies)
  39. IL Cassette Drive (1 Reply)
  40. Motorola NiMH Batteries (5 Replies)
  41. HP-41 I/O Circuit Strip (5 Replies)
  42. Daylight Savings Time (19 Replies)
  43. OT: TI-95 Manuals (5 Replies)
  44. HP-49g+ and SD Cards (4 Replies)
  45. Reckon 1.0 beta released (21 Replies)
  46. 41 RPN LBL GTO rules (8 Replies)
  47. HP-71B with a dead piezo speaker - repairable? (21 Replies)
  48. Ren, you asked for keystroke calculations (0 Replies)
  49. Seriously; You are the best (28 Replies)
  50. Is it possible to load documentation onto an sd card onto the hp 50g (7 Replies)
  51. OT: 4.1 Billion Mobile Phones and Counting. (12 Replies)
  52. Is a HP-15C worth 810 bucks? (28 Replies)
  53. What's the place of a handheld calculator? (21 Replies)
  54. Still Looking for new scans (8 Replies)
  55. Happy Square-Root Day (7 Replies)
  56. sigma function in solvers (16 Replies)
  57. Restoring the colour of ABS plastic (5 Replies)
  58. A little survey among HP's calculator collectors. (11 Replies)
  59. OT Weekend Challenge (12 Replies)
  60. HP65/67/41 card reader gears (4 Replies)
  61. Questions for the HP-01 restorers... (1 Reply)
  62. Can an HP 50g print via IR port? (8 Replies)
  63. Assistance for the new (1 Reply)
  64. Can we beat the 5.81 hours on the TI95 with the HP71B? Gene, Yes we can! (12 Replies)
  65. Problem sending data via IR from HP48 to HP50g (12 Replies)
  66. MoHPC Version 7 DVD release date? (1 Reply)
  67. Next HP scientific calculator (22 Replies)
  68. HP-41 Rom 82500A-E13 (0 Replies)
  69. Average Age in hpmuseum forum (133 Replies)
  70. Military 41C for auction (5 Replies)
  71. HP-42S ROM download to HP-48G? (2 Replies)
  72. Some kudos for HP (2 Replies)
  73. N cells revisited (2 Replies)
  74. 4915 digits of pi - MCODE 41 (19660 digits optional) (6 Replies)
  75. MathU RPN calc for iPhone (4 Replies)
  76. Printing on a 82143A with HP-75C (1 Reply)
  77. HP 17BII (27 Replies)
  78. HP-97 card reader woes (5 Replies)
  79. An HP48GX that makes a buzzing sound. HELP!! (5 Replies)
  80. dot matrix in crayon (1 Reply)
  81. Interesting observation about Circuit City (7 Replies)
  82. HP 95LX prototype PCB (0 Replies)
  83. 512K Memory Card (5 Replies)
  84. Insufficient Memory (12 Replies)
  85. OT: Tee-shirt for the maths type (4 Replies)
  86. A Replacement Calculator for Casio's with RPN! (22 Replies)
  87. Cheap Batteries for HP41CX (19 Replies)
  88. OT: uWatch's available again (2 Replies)
  89. Got a 32s, musing about the 33s (6 Replies)
  90. Elektronika MK-61 Russian Manual Translation? (6 Replies)
  91. HP-41 HP-IL Issue (6 Replies)
  92. In defence of a 4 stack (6 Replies)
  93. What happened to William Wickes? (9 Replies)
  94. HP-35s Stat Pac Free to download!! (11 Replies)
  95. New member - HP41 link (9 Replies)
  96. Synthetic Programming and the HP-41C (12 Replies)
  97. OT: Binary marble adding machine (3 Replies)
  98. New method of typing numbers? (9 Replies)
  99. HP-41 broken plastic display - how to fix? (1 Reply)
  100. How do I glue the back label of an HP-16C back on? (or of most Voyagers, for that matter) (4 Replies)