Old HP Forum Archives
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Thread / Author [desc] | Replies | Views | Last Post | ||
RAM Card compatibitlity
09-06-2012, 11:31 AM
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2 | 1,325 |
09-06-2012, 07:20 PM Last Post: Raymond Del Tondo |
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Question about X modules for HP41x
12-10-2012, 12:47 PM
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7 | 2,612 |
12-13-2012, 07:00 AM Last Post: Geoff Quickfall |
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Hp-67 card reader: tantalum capacitor identification
05-23-2013, 07:10 AM
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8 | 3,209 |
06-02-2013, 07:26 PM Last Post: aj04062 |
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HP67/97 M.E. Pac cover
11-21-2013, 05:50 AM
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2 | 1,454 |
11-22-2013, 04:04 AM Last Post: Ignacio Sánchez Reig |
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HP-41c display problem
09-03-2013, 11:40 AM
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6 | 2,318 |
09-04-2013, 10:52 AM Last Post: Ignacio Sánchez Reig |
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HP-65 short circuit
10-21-2013, 03:27 AM
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2 | 1,527 |
10-22-2013, 08:27 AM Last Post: Ignacio Sánchez Reig |
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HP-67/97 Mechanical engineering PAC cover
10-30-2013, 04:35 AM
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0 | 1,003 |
10-30-2013, 04:35 AM Last Post: Ignacio Sánchez Reig |
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request M.E. pac for HP-67/97 wallet cover scan
11-06-2013, 09:36 AM
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0 | 1,054 |
11-06-2013, 09:36 AM Last Post: Ignacio Sánchez Reig |
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HP 65/67 battery cover wanted.
02-25-2006, 05:54 AM
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0 | 902 |
02-25-2006, 05:54 AM Last Post: Ignazio Cara |
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HP97 Printer spur gear.
04-06-2006, 01:25 PM
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8 | 2,123 |
04-10-2006, 10:29 AM Last Post: Dia C. Tran |
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HP2225B proplem!
04-10-2006, 09:49 AM
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12 | 2,652 |
04-21-2006, 05:31 AM Last Post: gaston |
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A little Christmas game
12-19-2010, 12:02 PM
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35 | 8,676 |
12-25-2010, 06:34 AM Last Post: Ignazio Cara (Italy) |
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HP-97S with a bad BCD interface: help me!
03-21-2011, 02:17 PM
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3 | 1,481 |
03-22-2011, 03:54 AM Last Post: Katie Wasserman |
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A little survey among HP's calculator collectors.
03-03-2009, 06:00 AM
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11 | 2,854 |
03-04-2009, 03:00 AM Last Post: Etienne Victoria |
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Signed Logic PCB
03-16-2009, 12:58 PM
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4 | 1,430 |
03-18-2009, 05:58 AM Last Post: DaveJ |
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My new traction system for Topcat printers.
05-06-2009, 04:30 AM
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3 | 1,266 |
05-06-2009, 12:09 PM Last Post: Geoff Quickfall |
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I'm thinking to sell my Red-DOT!!
05-07-2010, 05:01 AM
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9 | 2,503 |
05-07-2010, 03:01 PM Last Post: Michael de Estrada |
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HP 91 Printer
12-03-2007, 12:17 PM
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4 | 1,338 |
12-03-2007, 03:13 PM Last Post: Ignazio Cara (Italy) |
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Is there any interest out there in Topcat tear-bars?
04-10-2008, 06:52 AM
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0 | 734 |
04-10-2008, 06:52 AM Last Post: Ignazio Cara (Italy) |
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For Mr. Diego Diaz
04-30-2008, 11:28 AM
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1 | 873 |
04-30-2008, 03:29 PM Last Post: Diego Diaz |
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HP-42S without FIX notation. Very strange.. or not?
05-06-2008, 03:14 PM
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5 | 1,697 |
05-08-2008, 10:56 AM Last Post: Dallas Osborne |
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The small calculator
05-27-2008, 06:21 AM
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12 | 2,518 |
06-05-2008, 04:23 AM Last Post: Marcus von Cube, Germany |
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OT: Thommen altimeters
01-07-2010, 07:29 AM
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0 | 588 |
01-07-2010, 07:29 AM Last Post: Ignazio Cara (Italy) |
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HP 97 keyboard and more issue.
01-18-2010, 09:54 AM
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6 | 1,695 |
01-19-2010, 02:44 PM Last Post: Ignazio Cara (Italy) |
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Almost a Red-Dot. It seems only to lack the hole!
02-21-2010, 01:41 PM
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9 | 2,480 |
02-22-2010, 07:30 PM Last Post: tim m. |
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Message to Katie Wasserman: thanks!
12-19-2011, 11:32 AM
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2 | 1,205 |
12-20-2011, 05:04 AM Last Post: Ignazio Cara (Italy) |
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An HP-97 sacrificed to the altar of the knowledge.
02-17-2012, 02:08 PM
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3 | 1,383 |
02-21-2012, 06:21 AM Last Post: aurelio |
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Post disappeared!
02-28-2012, 07:43 AM
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3 | 1,290 |
02-28-2012, 09:25 AM Last Post: Bart (UK) |
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OT: National Semiconductors NSB-3881
12-12-2013, 08:31 AM
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2 | 1,889 |
12-12-2013, 10:25 AM Last Post: Thomas Chrapkiewicz |
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Why RPN?
05-26-2004, 02:08 PM
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40 | 7,546 |
05-27-2004, 07:48 PM Last Post: Les Bell [Sydney] |
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Squeeky keys on 12c
10-29-2007, 02:14 PM
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0 | 697 |
10-29-2007, 02:14 PM Last Post: Igor Vilensky |
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DIY Voyager feet?
11-02-2007, 08:37 PM
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4 | 1,498 |
11-03-2007, 12:14 AM Last Post: Igor Vilensky |
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HP 35S gets returned
10-11-2007, 02:48 PM
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24 | 5,208 |
10-12-2007, 08:27 AM Last Post: bill platt |
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HP 49G +
03-24-2004, 11:27 AM
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1 | 789 |
03-24-2004, 12:26 PM Last Post: Veli-Pekka Nousiainen |
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HP-35S - Time Since Memory Reset
01-17-2012, 06:52 PM
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0 | 881 |
01-17-2012, 06:52 PM Last Post: Ilia |
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HP 92198A video interface problem
06-14-2009, 07:54 AM
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2 | 813 |
06-14-2009, 04:43 PM Last Post: Ilyas B. |
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Need help with HP82164A HP-IL/RS232 Interface
11-01-2009, 09:23 AM
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11 | 2,701 |
11-13-2009, 02:28 AM Last Post: Ilyas.B. |
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HP-34C LED display
05-05-2004, 05:12 AM
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11 | 2,516 |
05-06-2004, 08:05 AM Last Post: Tony Duell |
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HP-67 Interface & Display Segment
05-11-2004, 03:44 AM
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8 | 2,548 |
05-12-2004, 06:26 PM Last Post: Randy Sloyer |
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Dead HP-67
05-13-2004, 03:33 AM
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13 | 2,810 |
05-18-2004, 03:25 PM Last Post: marais |
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HP 11c
07-09-2003, 05:55 PM
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10 | 2,181 |
07-11-2003, 05:28 AM Last Post: Valentin Albillo |
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HP 71B factory reset
11-14-2005, 07:42 AM
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3 | 1,166 |
11-14-2005, 08:02 PM Last Post: Garth Wilson |
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Power supply for 9114B Disk Drive
11-19-2005, 03:12 PM
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1 | 746 |
11-19-2005, 04:05 PM Last Post: Howard Owen |
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A way to polish aluminium
11-19-2005, 05:50 PM
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11 | 2,650 |
11-24-2005, 10:42 PM Last Post: David Smith |
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Technical manual for 82240B
11-23-2005, 05:44 PM
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4 | 1,233 |
11-30-2005, 03:43 PM Last Post: Tony Duell |
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How to open the HP28
12-06-2005, 07:59 AM
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7 | 1,946 |
12-06-2005, 09:15 PM Last Post: Gerson W. Barbosa |
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hp71B does not get off
12-29-2005, 07:38 PM
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1 | 673 |
12-30-2005, 11:18 AM Last Post: David Smith |
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Faulty disk drive in 9114B ?
12-07-2009, 10:23 AM
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6 | 1,890 |
12-08-2009, 06:06 AM Last Post: inaki |
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HP 85 Serial Interface; INPUT Example?
06-12-2013, 03:48 PM
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1 | 1,232 |
06-12-2013, 11:09 PM Last Post: Paul Berger (Canada) |
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Authentic HP85 color?
03-11-2013, 12:22 PM
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3 | 1,462 |
03-11-2013, 10:27 PM Last Post: Calum Tait |
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Athana DC100A Tapes
03-12-2013, 08:32 AM
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6 | 2,022 |
03-14-2013, 01:55 AM Last Post: David Ramsey |
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HPIB Syntax Error at Status command
04-05-2013, 02:59 PM
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3 | 2,239 |
04-06-2013, 07:57 PM Last Post: Paul Berger (Canada) |
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HP85 Waveform Analysis
04-23-2013, 09:17 AM
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1 | 1,070 |
04-23-2013, 01:20 PM Last Post: Paul Berger (Canada) |
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HP85 tape reader; end of tape detection
04-23-2013, 04:40 PM
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9 | 3,098 |
04-25-2013, 02:25 PM Last Post: Paul Berger (Canada) |
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HP85 Programmable ROM cardtridge 82929A-service ROM not working-
04-24-2013, 02:32 PM
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2 | 1,847 |
04-25-2013, 08:08 AM Last Post: inaki |
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HP 85A. GET and SAVE commands.
06-02-2013, 03:24 PM
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6 | 2,089 |
06-05-2013, 06:45 AM Last Post: Paul Berger (Canada) |
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How can corrosion on the 41C contacts be repaired?
11-10-1999, 05:22 AM
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3 | 1,103 |
11-11-1999, 12:01 AM Last Post: Kevin |
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Where can buy a Leather Hard Case for a HP42S
02-06-2000, 10:46 AM
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3 | 1,187 |
02-07-2000, 12:06 PM Last Post: Raúl Herrera |
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selling a HP 35 in good condition
06-11-2003, 11:05 AM
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5 | 1,421 |
06-14-2003, 09:36 AM Last Post: Ingmar Tengler |
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HP25 - Display problems ?
05-23-2002, 12:35 PM
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0 | 596 |
05-23-2002, 12:35 PM Last Post: Ingo |
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HP Prime available?
05-17-2013, 05:28 PM
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12 | 3,021 |
05-18-2013, 05:18 AM Last Post: Ingo |
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JTAG on HP-12C and HP-15C LE
07-01-2013, 03:56 PM
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5 | 2,397 |
07-01-2013, 06:37 PM Last Post: Paul Dale |
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Success: Flashing a 30b on Windows 7/x64
03-01-2012, 03:52 AM
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2 | 1,208 |
03-01-2012, 12:31 PM Last Post: Walter B |
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DM12CC in pictures
07-15-2012, 06:54 AM
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0 | 1,042 |
07-15-2012, 06:54 AM Last Post: Ingo Paschke |
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HP48GX compatibility
07-05-2006, 10:25 AM
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12 | 2,700 |
07-06-2006, 06:59 AM Last Post: HrastProgrammer |
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HP48 overlay
07-23-2006, 02:51 PM
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2 | 885 |
07-24-2006, 02:36 PM Last Post: Tomcee |
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HP17BII wanted
05-21-2003, 06:36 AM
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1 | 710 |
05-21-2003, 12:29 PM Last Post: Dave Shaffer |
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comma mode
02-22-2004, 10:12 PM
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3 | 1,068 |
02-23-2004, 03:08 PM Last Post: Dave |
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Usability of HP 17B II/19B II vs 12C - tips?
10-12-2006, 11:26 AM
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6 | 1,974 |
10-13-2006, 08:53 AM Last Post: bill platt |
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HP 41 Advantage Module - Keyboard Overlay?
10-15-2006, 11:40 AM
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1 | 861 |
10-15-2006, 02:20 PM Last Post: Etienne Victoria |
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HP 12C - When did quality go downhill?
10-17-2006, 09:35 AM
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15 | 3,246 |
10-30-2006, 09:03 AM Last Post: Arnaud Amiel |
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Serial Number Question - HP 12C
10-21-2006, 03:48 AM
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1 | 891 |
10-23-2006, 07:51 AM Last Post: Jeff O. |
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What is HP41 Tall Key?
11-01-2006, 10:49 PM
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7 | 2,071 |
11-02-2006, 11:26 AM Last Post: David Smith |
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HP 33S NCEES - PE EXAM ..CAUTION
04-21-2004, 07:19 PM
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11 | 2,527 |
04-23-2004, 12:00 AM Last Post: Norris |
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Bring back the 15C Petition
06-25-2004, 08:33 AM
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0 | 612 |
06-25-2004, 08:33 AM Last Post: Ion Abraham (New Mexico USA) |
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Question on 82120A Batt. Pack
03-30-2003, 11:45 AM
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1 | 816 |
03-30-2003, 07:35 PM Last Post: Randy |
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Cleaning HP 41Cs
01-01-2001, 08:41 PM
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1 | 663 |
01-02-2001, 05:34 AM Last Post: Steve (Australia) |
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Display on early HP 41C
01-01-2001, 10:04 PM
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7 | 1,844 |
01-14-2001, 06:56 PM Last Post: Dave in MS |
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41C Service ROM?
01-13-2001, 10:21 AM
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1 | 690 |
01-16-2001, 02:19 PM Last Post: Philip Reagan |
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Odd 41C Fix
02-01-2001, 09:22 AM
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7 | 1,637 |
02-05-2001, 03:41 PM Last Post: Viktor Toth |
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Re: HP41C
08-27-2002, 08:55 AM
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0 | 569 |
08-27-2002, 08:55 AM Last Post: Ion Abraham (New Mexico USA) |
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15C w/broken keyboard
07-25-2001, 12:17 PM
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8 | 2,057 |
07-27-2001, 01:21 PM Last Post: Tony Duell |
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HP 41 82059 AC Adapter Question
12-03-2000, 11:04 AM
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0 | 640 |
12-03-2000, 11:04 AM Last Post: Ion Abraham (New Mexico) |
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Bad key on 41CX
02-27-2001, 08:22 AM
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12 | 2,383 |
03-08-2001, 08:32 AM Last Post: Ion Abraham (New Mexico USA) |
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Posted Bio (finally)
10-17-2002, 08:52 PM
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0 | 602 |
10-17-2002, 08:52 PM Last Post: Ion Abraham (New Mexico, USA) |
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Strange addition in a 41CX
06-03-2002, 08:42 PM
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2 | 837 |
06-05-2002, 04:55 PM Last Post: David Smith |
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HP17BII discountinued
06-06-2002, 06:31 AM
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1 | 726 |
06-06-2002, 08:31 PM Last Post: John K. (US) |
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What is Speed Machine Pac Module??
09-11-2002, 11:48 PM
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4 | 1,213 |
09-12-2002, 04:57 PM Last Post: Vieira, Luiz C. (Brazil) |
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Golden HP49G????
09-26-2002, 08:54 PM
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3 | 1,098 |
09-27-2002, 12:56 AM Last Post: Werner Huysegoms |
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Thoughts???
09-28-2002, 08:52 PM
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2 | 921 |
09-30-2002, 09:47 AM Last Post: Marc Brucker |
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Any information on these parts???
10-08-2002, 10:16 PM
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0 | 612 |
10-08-2002, 10:16 PM Last Post: Iqbal |
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How do you know a Blanknut is not a fake?
07-06-2000, 09:27 PM
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4 | 1,259 |
07-08-2000, 06:07 AM Last Post: Kevin |
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HP's Newest Calculator
09-07-2000, 10:23 PM
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5 | 1,400 |
09-10-2000, 02:04 AM Last Post: William Drylie (third rock from the sun) |
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Query about HP 32S
09-24-2000, 02:26 AM
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3 | 1,061 |
10-05-2000, 09:39 AM Last Post: Menno |
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HP41C query
10-09-2000, 06:13 AM
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1 | 693 |
10-09-2000, 07:36 AM Last Post: kynes |
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Problem with display on HP41CX
10-29-2000, 08:46 PM
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4 | 1,195 |
10-30-2000, 07:28 PM Last Post: Iqbal |
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Question on HP41CV
11-11-2000, 03:33 PM
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5 | 1,354 |
11-13-2000, 07:35 PM Last Post: John Robinson |
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Prototype HP80????
01-01-2001, 10:27 AM
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4 | 1,144 |
01-02-2001, 09:38 AM Last Post: Peter Petersson |
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Have you seen this??
05-31-2003, 08:03 PM
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6 | 1,672 |
06-02-2003, 01:12 AM Last Post: James M. Prange |
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Calculator Case
06-15-2003, 07:51 PM
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0 | 618 |
06-15-2003, 07:51 PM Last Post: Iqbal |
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