HP-41 Hardware
106 topics • Page 3 of 5 • 1, 2, 3, 4, 5
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- Unnecessary wires?
by DeKnyff » Sun Sep 13, 2015 9:49 pm
- 4 Replies
- 19059 Views
- Last post by leffe
Tue Sep 29, 2015 7:19 pm
- Unnecessary wires?
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- Help- 41CX reluctant to start
by den41cx » Sat May 30, 2015 2:28 am - 1 Replies
- 11868 Views
- Last post by den41cx
Sun May 31, 2015 12:28 am
- Help- 41CX reluctant to start
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- How to open the 82033A battery packs?
by Drulli » Thu Dec 25, 2014 10:02 pm - 5 Replies
- 21684 Views
- Last post by Drulli
Thu May 07, 2015 7:38 pm
- How to open the 82033A battery packs?
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- First time HP-41CX user
by Sequimite » Wed Nov 23, 2011 3:49 am - 1 Replies
- 14809 Views
- Last post by gmayer
Wed Apr 29, 2015 8:54 pm
- First time HP-41CX user
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- CARD READER FOR 41CV / CX
by INVERHERIVE » Sat Nov 08, 2014 1:41 pm - 1 Replies
- 11930 Views
- Last post by kim.igel
Thu Apr 02, 2015 10:09 pm
- CARD READER FOR 41CV / CX
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- HP 41 cx stop working
by cmplin » Mon Jan 26, 2015 4:46 am - 1 Replies
- 11622 Views
- Last post by Garth
Tue Jan 27, 2015 7:27 am
- HP 41 cx stop working
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- HP41 v Coffee Spill
by DROBNJAK » Mon Oct 17, 2011 9:16 am - 2 Replies
- 14714 Views
- Last post by DROBNJAK
Tue Dec 02, 2014 7:15 am
- HP41 v Coffee Spill
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- Broken ENTER key
by leffe » Sat Nov 08, 2014 9:28 am - 2 Replies
- 12955 Views
- Last post by leffe
Sun Nov 09, 2014 10:05 am
- Broken ENTER key
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- HP-41C rechargeable batteries
by makbil » Sun Apr 25, 2010 1:54 am - 15 Replies
- 87970 Views
- Last post by StickyFox
Sun Aug 24, 2014 10:04 pm
- HP-41C rechargeable batteries
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- Memory Extension HP82106A in HP-41 CX
by Drulli » Sun May 11, 2014 6:55 pm - 1 Replies
- 11526 Views
- Last post by Garth
Sun May 11, 2014 7:10 pm
- Memory Extension HP82106A in HP-41 CX
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- Time flies in my HP-41CX
by Drulli » Wed Apr 09, 2014 7:31 pm - 2 Replies
- 13422 Views
- Last post by Drulli
Sat Apr 12, 2014 8:52 pm
- Time flies in my HP-41CX
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- HP41-CX Repair of broken posts with photos
by Drulli » Thu Mar 20, 2014 9:02 pm - 9 Replies
- 36079 Views
- Last post by Drulli
Sun Apr 06, 2014 10:24 am
- HP41-CX Repair of broken posts with photos
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- Halfnut vs Fullnut
by jotne » Mon Nov 24, 2008 9:07 pm
- 3 Replies
- 19672 Views
- Last post by Drulli
Thu Mar 20, 2014 8:41 pm
- Halfnut vs Fullnut
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- 41-CV Repair
by joaniecampbell » Wed Mar 16, 2011 9:48 pm - 6 Replies
- 23040 Views
- Last post by hpbrian
Mon Sep 23, 2013 10:12 pm
- 41-CV Repair
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- HP41C Corroded Battery Flex PCB - Help
by hpbrian » Mon Sep 23, 2013 4:54 am - 0 Replies
- 13881 Views
- Last post by hpbrian
Mon Sep 23, 2013 4:54 am
- HP41C Corroded Battery Flex PCB - Help
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- Simplest HP41 custom rom
by twdeckard » Sat Jul 27, 2013 3:38 am - 4 Replies
- 19960 Views
- Last post by jotne
Fri Aug 02, 2013 9:05 am
- Simplest HP41 custom rom
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- Hp41Cx hard to wakeup
by Theo148 » Sat Dec 01, 2012 7:29 am - 6 Replies
- 25264 Views
- Last post by Mx_Serg
Fri Apr 12, 2013 3:42 pm
- Hp41Cx hard to wakeup
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- Left side keys don't work
by TexasGolfer » Mon Feb 04, 2013 9:51 pm - 1 Replies
- 11016 Views
- Last post by Garth
Mon Feb 04, 2013 11:38 pm
- Left side keys don't work
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- Different HP41 CPU
by jotne » Wed Nov 26, 2008 10:08 am
- 7 Replies
- 26467 Views
- Last post by jotne
Fri Dec 28, 2012 4:25 pm
- Different HP41 CPU
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- HP41 CV Key Pad
by NZrob » Sat Jun 23, 2012 8:41 am - 4 Replies
- 18795 Views
- Last post by tomjackson
Mon Dec 03, 2012 9:31 am
- HP41 CV Key Pad
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- HP41 Turbo Modification
by graythornWW » Thu Apr 30, 2009 6:47 am - 6 Replies
- 23692 Views
- Last post by tomjackson
Mon Dec 03, 2012 9:30 am
- HP41 Turbo Modification
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- HP-41CV Calculator
by shams » Tue May 22, 2012 10:00 am - 1 Replies
- 12029 Views
- Last post by Garth
Tue May 22, 2012 6:38 pm
- HP-41CV Calculator
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- HP 41 overlay PDF
by nelstomlinson » Mon Apr 16, 2012 9:56 pm
- 0 Replies
- 11978 Views
- Last post by nelstomlinson
Mon Apr 16, 2012 9:56 pm
- HP 41 overlay PDF
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- Possible repair alternative to a dead HP41C
by FrostyJW » Thu Mar 01, 2012 4:45 pm - 2 Replies
- 14496 Views
- Last post by FrostyJW
Thu Mar 01, 2012 11:11 pm
- Possible repair alternative to a dead HP41C
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