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Old HP Forum Archives

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  1. 30b - Not Impressed (75 Replies)
  2. HP35 exp(ln(x)) bug, a new number found. (4 Replies)
  3. Reverse Polish notation calculator (0 Replies)
  4. HP 41 to PC possible? (4 Replies)
  5. Scientific, Financial Calculator (0 Replies)
  6. Poking a string directly into the 71B as a lex file problems (3 Replies)
  7. The equals sign again (0 Replies)
  8. Only slightly off-topic (3 Replies)
  9. Some 30b Routines (15 Replies)
  10. Need help finding info from ace math folks (16 Replies)
  11. Woodstock battery tip (0 Replies)
  12. Surveryor needs help with HP 35s program entry (17 Replies)
  13. Can the HP 41 Read HP 65 Programs (2 Replies)
  14. PIL Box - communication with an external HP71B (4 Replies)
  15. HP71B Demo Program (7 Replies)
  16. HP71B (Ver. 1BBBB) Date Bug? (9 Replies)
  17. HP-97S External Printer? (6 Replies)
  18. 12C Key Problem (0 Replies)
  19. HP 35s - scratched screen (7 Replies)
  20. HP 9845A vs 9845B vs 9845B/A (1 Reply)
  21. 70% of US students don't understand the equal sign (48 Replies)
  22. HP 30b finally arrived (12 Replies)
  23. 30b programming tips (0 Replies)
  24. HP 50g SD card reader problem (3 Replies)
  25. Why engineers need both scientific and business calculators (17 Replies)
  26. 11C Keyboard Rattle (3 Replies)
  27. 48GX (8 Replies)
  28. HEPAX manual Vol. 2 reprint. (9 Replies)
  29. Interesting idea for a calculator (non-HP, non-RPN) (4 Replies)
  30. HP82069B charger, weird ... (11 Replies)
  31. Loops of Addition benchmark for the 41CL (8 Replies)
  32. 30b Built-In Functions (6 Replies)
  33. Unit conversion on the 50G (2 Replies)
  34. HP-12C Clone, New? (14 Replies)
  35. HP71b - which power supply (6 Replies)
  36. display compatibility (2 Replies)
  37. How to install/ru​n this program in an Hp 50g. (2 Replies)
  38. HP45 - internal pics (2 Replies)
  39. Still in awe over HP50g (4 Replies)
  40. Oldies and goodies? (7 Replies)
  41. Where are the Internals for the 50g? (2 Replies)
  42. Thank you Dave! (12 Replies)
  43. HP-65 sensor chip failure (14 Replies)
  44. HP Hurd 40 million parachute (3 Replies)
  45. Bowling Challenge Variation (8 Replies)
  46. HP 9101A Memory Unit (0 Replies)
  47. OT: The five trillionth digit of Pi is...... 2! (53 Replies)
  48. OT: Casio fx9850g Slim on Sale (12 Replies)
  49. a new challenge! (80 Replies)
  50. HP 9845A Printer Problem (3 Replies)
  51. an interesting challenge (49 Replies)
  52. HP 'boffin' claims million-dollar maths prize (2 Replies)
  53. Nice price? (3 Replies)
  54. Homebrew graphing calculator (4 Replies)
  55. More FPGA progress (4 Replies)
  56. How to repair my HP 9100A calculator ? (14 Replies)
  57. Mark Hurd resigns (19 Replies)
  58. Identifying equations on HP 35s (4 Replies)
  59. Miss the print key on my HP 46 (3 Replies)
  60. Amazing RPN calculator discovered (33 Replies)
  61. P!=NP (2 Replies)
  62. Canon's X Mark I Mouse (5 Replies)
  63. HP-30b available at Office Depot.....soon (9 Replies)
  64. Something for the insomniacs (4 Replies)
  65. on nicads (3 Replies)
  66. RPN Programming (20 Replies)
  67. The most annoying feature on the 35s (8 Replies)
  68. TI-30 durability testing (slightly off topic, BTW). (4 Replies)
  69. HP thermal printer differences (2 Replies)
  70. Does the HP 10B calculator not support Order of Operation? (22 Replies)
  71. First impressions HP30B (1 Reply)
  72. 9-figure 10b (5 Replies)
  73. 3421: any tips on calibrating? (3 Replies)
  74. Jazz 50G v1.20 release candidate (0 Replies)
  75. ADV or STD HEPAX? (7 Replies)
  76. HP 32S Successor (10 Replies)
  77. New versions of Emu28 and Emu48 available (3 Replies)
  78. HP 31, 32 ,33, etc Battery covers (4 Replies)
  79. HP-65 repair (10 Replies)
  80. The mother of all distributions with HP SOLVER? (4 Replies)
  81. Mostly OT: What's your experience with LED flashlights? (39 Replies)
  82. HP-45 board swap (2 Replies)
  83. HELP with programming the HP50G (3 Replies)
  84. HP-10 repair, strange piece of plastic. (2 Replies)
  85. HP-35s that does not exhibit LOCKUP DEMO bug (5 Replies)
  86. new book on the Apollo Guidance Computer (38 Replies)
  87. Do you have to "help" cards through the 97? (9 Replies)
  88. HP-28C ROM checksum addresses? (0 Replies)
  89. finding Df and variation and calculing limite but ... (0 Replies)
  90. New Version of the 41Z (11 Replies)
  91. HP-71b DTH$() and HTD() commands (3 Replies)
  92. 1996 (1 Reply)
  93. Searching the Database (6 Replies)
  94. [OT] FC5025 USB 5.25" Floppy Controller (7 Replies)
  95. Thermal paper for the HP-10 (2 Replies)
  96. Another dumb HP-41 question (13 Replies)
  97. Chewing gum for the 50g (2 Replies)
  98. OT: TI Calcs Cartoon (2 Replies)
  99. 48gx Memory Cards (4 Replies)
  100. Back on the Forum (1 Reply)