Old HP Forum Archives
Thread [asc] / Author Replies Views Last Post
    9 2,228 08-06-2010, 03:33 PM
Last Post: Gerson W. Barbosa
    3 1,619 09-09-2013, 03:07 PM
Last Post: Harald
   
Go to first unread post HP-30?
Eaglevu, 02-05-2003, 03:07 PM
4 1,122 02-06-2003, 04:07 AM
Last Post: Frank Glitz
    21 4,819 10-31-2010, 11:10 AM
Last Post: Eddie W. Shore
    5 1,542 02-22-2006, 04:23 AM
Last Post: Bram
    6 1,472 07-25-2006, 08:20 AM
Last Post: Andrés C. Rodríguez (Argentina)
    4 1,234 11-01-2008, 12:14 PM
Last Post: Michael Meyer
   
Go to first unread post HP-29C Schematic/pin out
Carlos, 07-17-2005, 12:42 PM
2 954 07-18-2005, 07:39 AM
Last Post: Carlos
   
Go to first unread post HP-29C Quick Reference Guide
Larry Fox, 06-18-2007, 12:53 PM
5 1,500 06-22-2007, 04:52 PM
Last Post: Les Wright
    3 1,151 11-25-2008, 07:56 AM
Last Post: Randy
   
Go to first unread post HP-29C problem
Mark Sims, 06-20-2001, 05:17 PM
6 1,417 06-22-2001, 03:52 PM
Last Post: Viktor Toth
    11 2,769 02-10-2009, 04:33 PM
Last Post: Xavier A. (Brazil)
    5 1,580 02-17-2009, 06:41 AM
Last Post: Xavier A. (Brazil)
    6 2,204 07-17-2012, 07:09 AM
Last Post: Xavier A. (Brazil)
   
Go to first unread post HP-29C Counterparts
Matt Agajanian, 05-12-2012, 04:11 PM
2 1,229 05-12-2012, 06:44 PM
Last Post: Matt Agajanian
    1 939 02-07-2010, 11:43 AM
Last Post: Michael de Estrada
   
Go to first unread post HP-29C
Jorge Sanchez, 02-08-2009, 11:10 PM
1 723 02-09-2009, 04:43 PM
Last Post: Xavier A. (Brazil)
   
Go to first unread post HP-29C
Larry Smith, 01-17-2003, 03:50 PM
1 775 01-18-2003, 07:41 AM
Last Post: Larry Corrado
   
Go to first unread post HP-29C
Garrett Fulton, 12-01-2000, 10:57 PM
0 600 12-01-2000, 10:57 PM
Last Post: Garrett Fulton
   
Go to first unread post HP-29C
Robert Hollyer, 04-03-2008, 04:51 PM
7 1,874 04-06-2008, 05:16 AM
Last Post: Tony Duell
   
Go to first unread post HP-28S/Clamshell Keyboard Test
aj04062, 08-03-2011, 08:40 PM
2 1,186 08-03-2011, 09:02 PM
Last Post: aj04062
   
Go to first unread post HP-28S Syntax Errors
William N Strew, 07-15-2012, 11:41 AM
7 2,485 07-15-2012, 05:09 PM
Last Post: Luiz C. Vieira (Brazil)
    4 1,165 09-22-2002, 02:51 PM
Last Post: Scuba Diver
    9 2,448 01-22-2007, 05:16 PM
Last Post: Bill (Smithville, NJ)
   
Go to first unread post HP-28S plays "Happy Birthday"
Kevin F, 08-06-2012, 04:53 PM
0 1,024 08-06-2012, 04:53 PM
Last Post: Kevin F
    3 1,107 09-30-2002, 09:15 AM
Last Post: David Tan (Singapore)
    2 1,323 07-25-2012, 09:54 AM
Last Post: Tom Sauntry
   
Go to first unread post HP-28S Malfunction
R. Miller, 06-13-2000, 02:16 PM
8 2,098 06-14-2000, 11:15 AM
Last Post: Andrés C. Rodríguez
   
Go to first unread post HP-28S Keyboard
aj04062, 07-25-2011, 10:46 PM
4 1,322 07-26-2011, 04:39 PM
Last Post: aj04062
   
Go to first unread post Hp-28S insights book
Scuba Diver, 02-21-2003, 12:52 AM
2 896 02-22-2003, 04:36 AM
Last Post: Christof
   
Go to first unread post HP-28S error
aton, 08-18-2006, 11:48 AM
2 827 08-18-2006, 05:05 PM
Last Post: Karl Schneider
   
Go to first unread post Hp-28S Does not Turn On
aj04062, 09-18-2011, 06:27 PM
10 2,594 09-19-2011, 08:15 AM
Last Post: Bart (UK)
   
Go to first unread post HP-28S Clock Accuracy
Juan J, 03-21-2006, 02:00 AM
7 1,973 03-21-2006, 02:42 AM
Last Post: John Limpert
   
Go to first unread post HP-28S Beeper
MJ Meiners, 10-10-2002, 09:32 AM
2 896 10-10-2002, 05:45 PM
Last Post: MJ Meiners
   
Go to first unread post HP-28S Battery Door
John Limpert, 10-25-2003, 06:16 PM
3 1,068 10-26-2003, 04:21 PM
Last Post: Veli-Pekka Nousiainen
    2 1,629 04-09-2012, 10:29 PM
Last Post: aj04062
    5 1,372 05-12-2003, 09:11 AM
Last Post: Paul Brogger
   
Go to first unread post HP-28S
ambro, 10-06-2004, 06:16 PM
1 682 10-06-2004, 06:51 PM
Last Post: Raymond Del Tondo
   
Go to first unread post HP-28COM
Erik Ehrling (Sweden), 03-12-2004, 03:07 PM
0 573 03-12-2004, 03:07 PM
Last Post: Erik Ehrling (Sweden)
    0 743 07-25-2010, 08:25 PM
Last Post: Christoph Giesselink
   
Go to first unread post HP-28C Lithium Batteries
Colin, 04-03-2001, 06:15 PM
0 603 04-03-2001, 06:15 PM
Last Post: Colin
   
Go to first unread post HP-28C
Luc, 12-10-2002, 03:32 AM
2 804 12-10-2002, 06:11 AM
Last Post: Luc
   
Go to first unread post HP-28--better design?
Matt Agajanian, 06-21-2012, 01:38 PM
7 2,404 06-27-2012, 09:27 AM
Last Post: David Tellet
    0 539 07-25-2000, 08:26 AM
Last Post: Steve
    1 858 07-06-2007, 11:28 PM
Last Post: James M. Prange (Michigan)
   
Go to first unread post HP-27S Technical Applications
LG, 08-19-2006, 01:24 PM
10 2,631 08-20-2006, 08:11 PM
Last Post: Bill (Smithville, NJ)
    0 743 01-27-2010, 11:58 AM
Last Post: Lyuka
   
Go to first unread post HP-27S speed compared to HP-42S
Tommi, 06-05-2013, 09:38 AM
3 1,733 06-05-2013, 05:55 PM
Last Post: Christoph Giesselink
   
Go to first unread post HP-27s Rom Dump problem
Carey, 06-19-2005, 08:01 PM
0 678 06-19-2005, 08:01 PM
Last Post: Carey
   
Go to first unread post HP-27S needs helps !
Pyerre, 01-23-2003, 01:22 PM
3 1,114 01-24-2003, 07:54 PM
Last Post: Pyerre
   
Go to first unread post HP-27s Emulator Question
Carey, 06-23-2005, 07:58 AM
0 612 06-23-2005, 07:58 AM
Last Post: carey
   
Go to first unread post HP-27S Disassembly
Bob Belanger, 01-03-2007, 07:21 AM
2 1,148 01-04-2007, 11:56 AM
Last Post: Bob Belanger
    9 2,461 03-26-2011, 02:38 AM
Last Post: Walter B
    6 1,671 08-13-2002, 04:57 PM
Last Post: David Smith
    2 1,108 02-04-2009, 10:11 PM
Last Post: Robert Hollyer
   
Go to first unread post HP-27 Power-on Problems
vrollinger, 06-30-2000, 08:31 PM
1 669 06-30-2000, 10:08 PM
Last Post: katie
   
Go to first unread post HP-26 Prototype Found
Gordon Dyer, 04-01-2003, 05:58 PM
19 3,744 04-03-2003, 02:29 AM
Last Post: Raymond Del Tondo
   
Go to first unread post HP-26 Minimal Calculator
Gordon Dyer, 04-05-2003, 08:53 PM
10 2,260 04-08-2003, 11:30 PM
Last Post: Michael F. Coyle
    14 3,334 04-26-2009, 06:21 PM
Last Post: Alberto Fenini
   
Go to first unread post HP-25C Repairing
aj04062, 10-28-2011, 10:09 PM
11 3,119 10-31-2011, 01:11 PM
Last Post: Randy
   
Go to first unread post HP-25C repair
MikeG, 06-04-2007, 08:28 PM
3 1,088 06-05-2007, 02:14 AM
Last Post: Eric Smith
    2 1,084 06-10-2010, 09:20 PM
Last Post: Vieira, Luiz C. (Brazil)
    0 607 01-24-2007, 06:08 AM
Last Post: John Garza
    1 752 06-19-2005, 02:45 PM
Last Post: Andrés C. Rodríguez (Argentina)
   
Go to first unread post HP-25C Battery Pack
Trent Moseley, 06-08-2007, 09:21 PM
1 782 06-09-2007, 05:52 PM
Last Post: Walter B
   
Go to first unread post HP-25C Battery Pac
Trent Moseley, 04-14-2003, 06:26 PM
1 715 04-14-2003, 06:38 PM
Last Post: David Smith
   
Go to first unread post HP-25C ACT Chip?
Mark Henderson, 11-08-2010, 05:33 PM
0 671 11-08-2010, 05:33 PM
Last Post: Mark Henderson
    4 1,174 06-25-2002, 02:30 PM
Last Post: Juergen Rodenkirchen
    3 1,101 06-29-2002, 04:36 PM
Last Post: Juergen Rodenkirchen
   
Go to first unread post HP-25/25C Potential
Matt Agajanian, 07-08-2013, 10:07 PM
14 4,108 07-17-2013, 02:57 AM
Last Post: Matt Agajanian
   
Go to first unread post HP-25 weird behavior
Dan F, 02-10-2003, 05:38 PM
3 1,032 02-11-2003, 05:58 PM
Last Post: David Smith
   
Go to first unread post HP-25 update and thank you
J Grim, 05-06-2010, 08:01 PM
2 1,280 05-07-2010, 12:04 AM
Last Post: Martin Pinckney
   
Go to first unread post HP-25 turns itself off
Des McPherson, 07-14-2009, 05:04 PM
1 778 07-14-2009, 06:28 PM
Last Post: Geoff Quickfall
   
Go to first unread post HP-25 Repair?
Palmer O. Hanson, Jr., 04-19-2008, 09:17 PM
5 1,440 04-21-2008, 06:19 AM
Last Post: Alejandro Paz (Germany)
   
Go to first unread post HP-25 Repair Tiips Needed.
Tony Copley, 04-18-1999, 12:39 AM
4 1,330 04-18-1999, 04:59 PM
Last Post: DaveC
   
Go to first unread post HP-25 repair
Jon, 04-29-2003, 11:02 AM
5 1,412 04-30-2003, 03:31 PM
Last Post: David Smith
   
Go to first unread post HP-25 Repair
Bernhard Emese, 05-23-2003, 02:01 PM
0 654 05-23-2003, 02:01 PM
Last Post: Bernhard Emese
   
Go to first unread post HP-25 program line
Michel Beaulieu, 03-20-2003, 10:14 PM
7 1,710 03-21-2003, 05:26 PM
Last Post: David Smith
   
Go to first unread post HP-25 Prog Cose Puzzle
Gordon Dyer, 10-12-2003, 10:46 AM
2 856 10-13-2003, 08:25 AM
Last Post: Gordon Dyer
   
Go to first unread post HP-25 problem
Robert Burnham, 02-22-2003, 05:06 PM
7 1,782 02-23-2003, 08:49 PM
Last Post: David Smith
   
Go to first unread post hp-25 pressing 1 displays 3?
Rodney, 02-25-2003, 11:37 AM
0 537 02-25-2003, 11:37 AM
Last Post: Rodney
   
Go to first unread post HP-25 Power-On Issue
Wes Fujii, 06-04-2002, 12:00 PM
8 1,870 06-08-2002, 05:28 PM
Last Post: David Smith
   
Go to first unread post Hp-25 needs service
Thomas Radtke, 01-14-2007, 06:03 AM
3 1,175 01-16-2007, 09:06 AM
Last Post: Thomas Radtke
   
Go to first unread post HP-25 manual revisions
David Smith, 07-20-2003, 03:22 PM
1 962 07-20-2003, 04:24 PM
Last Post: Bill
    12 3,526 04-10-2013, 11:33 PM
Last Post: Steve Leibson
    3 1,257 12-03-2007, 03:47 PM
Last Post: glauber
   
Go to first unread post HP-25 keyboard
Brad Barton, 02-15-2013, 04:44 PM
5 1,859 02-16-2013, 09:59 PM
Last Post: Brad Barton
    3 1,055 09-02-2003, 02:57 PM
Last Post: David Smith
    0 619 03-13-2008, 01:02 PM
Last Post: Rob W.
    10 2,424 01-27-2009, 07:48 PM
Last Post: Randy
   
Go to first unread post HP-25 erratic behaviour
Alberto Fenini, 11-30-2009, 06:38 AM
23 4,948 12-03-2009, 10:06 AM
Last Post: Bart (UK)
   
Go to first unread post HP-25 dots and dots...
Cedric F, 12-24-2003, 03:03 PM
2 943 12-29-2003, 01:25 PM
Last Post: David Smith
    2 1,067 01-23-2011, 06:30 AM
Last Post: Harald
   
Go to first unread post HP-25 display weirdness
Jonas Otter, 06-23-2002, 07:37 AM
0 636 06-23-2002, 07:37 AM
Last Post: Jonas Otter
   
Go to first unread post HP-25 Capacitor Question
Larry, 09-22-2001, 11:22 PM
2 957 09-23-2001, 01:54 PM
Last Post: Tony Duell (UK)
   
Go to first unread post HP-25 Calculators
Jim, 02-04-2007, 10:49 AM
12 2,635 02-05-2007, 05:59 PM
Last Post: Jim
   
Go to first unread post HP-25 Bugs
Michael Holley, 04-30-2002, 11:14 AM
12 2,896 04-30-2002, 09:42 PM
Last Post: Michael Holley
   
Go to first unread post HP-25 Battery Pack
Alan, 11-01-1999, 10:59 PM
1 792 11-02-1999, 02:05 AM
Last Post: Viktor Toth
   
Go to first unread post HP-25 Battery Pack
Andreas Grund, 10-02-2009, 07:04 AM
17 4,338 10-20-2009, 07:34 AM
Last Post: Xavier A. (Brazil)
   
Go to first unread post HP-25 battery pack
Steven Green, 11-24-2009, 05:27 PM
11 2,714 11-29-2009, 05:04 AM
Last Post: Andreas Grund


  New Posts
  Hot Thread (New)
  Hot Thread (No New)
  No New Posts
  Contains Posts by You
  Closed Thread

Search this Forum:

Forum Jump: