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Old HP Forum Archives

Threads

  1. Calculator vs. telephone keypads (2 Replies)
  2. HP-71B ROM versions (4 Replies)
  3. Where'd They Go??? (jyu.fi archived hpil files) (5 Replies)
  4. Nwe HP32SII-Desing ? (0 Replies)
  5. HP-28C Lithium Batteries (0 Replies)
  6. Dead HP-27S (7 Replies)
  7. 42s Repair (2 Replies)
  8. Card reader repair (9 Replies)
  9. FREE HP-97 Parts (16 Replies)
  10. Re: HP-67 Repair/Restoration (0 Replies)
  11. software catalog (1 Reply)
  12. Other Series 40 Guides/Catalogs (0 Replies)
  13. HP 27S : the new 42S ? (6 Replies)
  14. Interesting article on HP inkjet development (0 Replies)
  15. printing problems.... (1 Reply)
  16. Re: HP-67 Repair/Restoration (3 Replies)
  17. Download files from a PC to HP110 via the serial port?? (4 Replies)
  18. forth 41 (1 Reply)
  19. ' surrogate family ' (2 Replies)
  20. Regrets (2 Replies)
  21. Series 40 software catalog (0 Replies)
  22. HP-22 Repair (2 Replies)
  23. Need: Basic HP-85 I/O Commands to Floppy (7 Replies)
  24. Good buy - or goodbye? (4 Replies)
  25. New HP28S, HP42S, 48SX in shop in NL (6 Replies)
  26. hp 41 battery powered heater (0 Replies)
  27. Opening an HP-21 (2 Replies)
  28. 9810A needs help - Photos (8 Replies)
  29. Can someone 'splain these 75Ds to me? (7 Replies)
  30. 9862 vs 9125 plotter (0 Replies)
  31. XROM 29,06 (8 Replies)
  32. hp48 SX display problem (3 Replies)
  33. HP41 three prong Rechargable battery (3 Replies)
  34. HP9100B Card reader (6 Replies)
  35. Resetting an HP41 (0 Replies)
  36. Faceplate on 42S (3 Replies)
  37. 41CX died, Please Help! (3 Replies)
  38. HP 85 data cassette (1 Reply)
  39. Trig functions with small angles (4 Replies)
  40. Re: HP-33C repair (6 Replies)
  41. H / P 20 - S (1 Reply)
  42. Nostalgia (2 Replies)
  43. HP48GX leather case. (0 Replies)
  44. HP67 - Card Reader Problems (3 Replies)
  45. HP's that show X and Y register (3 Replies)
  46. How does one open up an HP-27s (2 Replies)
  47. zeprom (6 Replies)
  48. HP41CX needs repair (2 Replies)
  49. Message for Oldøich Èapinský (OT) (0 Replies)
  50. Gone with the wind... (0 Replies)
  51. Navrom by A P Systems (0 Replies)
  52. Politically Incorrect Calculator Collecting (0 Replies)
  53. Information... OR... Rumor-mongering??? (8 Replies)
  54. Battery for 88014B used in 9114B Disk Drive? (3 Replies)
  55. Whatever happend to the HP10Bii? (4 Replies)
  56. Re: HP-33C repair (1 Reply)
  57. Re: HP-33C repair (0 Replies)
  58. HP-33C repair (0 Replies)
  59. This pricing's crazy (4 Replies)
  60. Re: HP-35 Back Labels (0 Replies)
  61. Just an idea (13 Replies)
  62. Re: HP-35 Back Labels (0 Replies)
  63. nsim desktop icon (0 Replies)
  64. Shift Keys and Calculators (1 Reply)
  65. Memory Lost in HP-41CV (4 Replies)
  66. HP 2225B (5 Replies)
  67. See, now this is why I shouldn't do hardware (2 Replies)
  68. Two HP 41's (1 Reply)
  69. PPC Technical Notes (0 Replies)
  70. Re: Old Classic battery packs (3 Replies)
  71. A Dead 32SII? (3 Replies)
  72. HP-65 rubber wheel replacement problems (2 Replies)
  73. 41 Card Reader O'rings ? (4 Replies)
  74. Help with the HP28S functions (4 Replies)
  75. HP 87 Serial Number 9999A00287 (0 Replies)
  76. Bad key on 41CX (12 Replies)
  77. HP 41 FORTH ROM Module info request (3 Replies)
  78. HP25 opgrade (3 Replies)
  79. Old Classic battery packs (0 Replies)
  80. 9825a Question - Entering Data (1 Reply)
  81. HP-12C Rounding of periods (3 Replies)
  82. 12c vs 19llb (7 Replies)
  83. Cathode Driver Question for Classic Calcs (1 Reply)
  84. HP 01 (1 Reply)
  85. Woodstock Series - Display Brightness Question (1 Reply)
  86. hp 41CX battery pack (1 Reply)
  87. HP 91 Battery Pack (0 Replies)
  88. The Old Smack The HP 41C Trick (4 Replies)
  89. After market Books for HP 49g (2 Replies)
  90. math 1b won't show up on 41CX Cat2 ?? (12 Replies)
  91. A brand new 27S, 28S and 17B (0 Replies)
  92. Re: Dead pack and NiMH cells (4 Replies)
  93. Dead pack (16 Replies)
  94. HP-9825a Problem and Request for Info (2 Replies)
  95. HP71B AC Adaptor/Charger ? (10 Replies)
  96. HP RPN Scientific Emulator (0 Replies)
  97. Fixing a 97's card reader (0 Replies)
  98. PPC ROM Manual (1 Reply)
  99. An HP 17BII equation challange for all who love problem solving using a calculator (8 Replies)
  100. Search Function for Forum (1 Reply)