HP-41 Hardware
79 topics • Page 1 of 4 • 1, 2, 3, 4
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- HP-41CL Conversion Question
by TwoWeims » Tue Sep 10, 2019 11:29 pm - 2 Replies
- 1490 Views
- Last post by divasson
Sun Sep 20, 2020 10:09 pm
- HP-41CL Conversion Question
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- Battery contact unit for HP 41CX
by CHUI HT » Sun Aug 23, 2020 3:33 am - 2 Replies
- 394 Views
- Last post by pcscote
Sun Aug 30, 2020 8:15 pm
- Battery contact unit for HP 41CX
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- Can't See Plugin Modules
by Interalia » Mon Apr 20, 2020 1:14 pm - 1 Replies
- 1291 Views
- Last post by Drulli
Tue Jun 02, 2020 2:54 pm
- Can't See Plugin Modules
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- CX Revival
by Duncan » Sun Jan 26, 2020 8:52 pm - 5 Replies
- 1548 Views
- Last post by Drulli
Sun Mar 29, 2020 12:09 pm
- CX Revival
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- Keyboard Overlays
by TwoWeims » Sat Aug 31, 2019 12:35 pm - 6 Replies
- 2598 Views
- Last post by GerardSen
Fri Oct 04, 2019 1:51 pm
- Keyboard Overlays
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- HP 41CV playing up
by nhkader » Sun Jun 23, 2019 11:39 pm - 4 Replies
- 1817 Views
- Last post by nhkader
Wed Jul 10, 2019 12:06 pm
- HP 41CV playing up
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- High Battery Drain
by PeterHendy » Tue Jul 09, 2019 11:20 pm - 1 Replies
- 1315 Views
- Last post by Garth
Wed Jul 10, 2019 5:50 am
- High Battery Drain
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- 3D model of part to fix some broken HP41s PCB interconnects
by danielalbertsill » Fri Aug 03, 2018 11:57 pm
- 0 Replies
- 2220 Views
- Last post by danielalbertsill
Fri Aug 03, 2018 11:57 pm
- 3D model of part to fix some broken HP41s PCB interconnects
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- HP-41C malfunction during startup
by prwktokali » Thu Jun 28, 2018 9:22 pm - 0 Replies
- 1783 Views
- Last post by prwktokali
Thu Jun 28, 2018 9:22 pm
- HP-41C malfunction during startup
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- HP 41 CV Repair
by marcelosz » Sat Sep 17, 2016 3:29 am - 2 Replies
- 4389 Views
- Last post by wgh52
Wed Nov 29, 2017 11:30 pm
- HP 41 CV Repair
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- USB powered HP41
by Neve1 » Thu Sep 07, 2017 11:20 pm - 4 Replies
- 3331 Views
- Last post by Neve1
Fri Sep 08, 2017 8:02 am
- USB powered HP41
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- Why no new time module?
by cappy2112 » Wed Dec 07, 2016 5:38 am - 3 Replies
- 3137 Views
- Last post by Neve1
Thu Sep 07, 2017 11:12 pm
- Why no new time module?
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- 41CX board does not power on
by syrou » Fri Dec 30, 2016 11:49 am
- 1 Replies
- 3284 Views
- Last post by Drulli
Sat Apr 15, 2017 4:05 pm
- 41CX board does not power on
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- Repair needed HP41C
by merkaren » Sun Dec 11, 2016 9:19 pm - 4 Replies
- 3482 Views
- Last post by merkaren
Thu Dec 15, 2016 12:34 am
- Repair needed HP41C
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- First time HP-41 owner needs a little advice
by cappy2112 » Tue Dec 06, 2016 5:48 am - 6 Replies
- 4121 Views
- Last post by cappy2112
Wed Dec 14, 2016 10:42 pm
- First time HP-41 owner needs a little advice
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- Looking for replacement springs
by cappy2112 » Tue Dec 13, 2016 5:48 am - 0 Replies
- 2397 Views
- Last post by cappy2112
Tue Dec 13, 2016 5:48 am
- Looking for replacement springs
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- International Calculator & Computer Repair service
by Captain Midnight » Sun Apr 10, 2016 3:10 am - 0 Replies
- 3111 Views
- Last post by Captain Midnight
Sun Apr 10, 2016 3:10 am
- International Calculator & Computer Repair service
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- Erratic display after 25 years
by cottagefarmer » Thu Jan 14, 2016 10:53 pm - 3 Replies
- 4199 Views
- Last post by longkeeler
Sat Apr 02, 2016 6:40 pm
- Erratic display after 25 years
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- Value 41cx and cv's
by bolster55 » Wed Jan 06, 2016 3:59 am - 2 Replies
- 3561 Views
- Last post by bolster55
Wed Jan 06, 2016 8:11 am
- Value 41cx and cv's
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- HP41CX Zengrange
by benno » Tue Nov 17, 2015 8:00 am
- 2 Replies
- 3558 Views
- Last post by benno
Tue Nov 17, 2015 6:39 pm
- HP41CX Zengrange
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- HP41 Mini USB power from PC
by derekamos » Tue Oct 14, 2014 12:19 pm
- 4 Replies
- 4549 Views
- Last post by HP-Collection
Sat Oct 17, 2015 6:10 pm
- HP41 Mini USB power from PC
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- Unnecessary wires?
by DeKnyff » Sun Sep 13, 2015 9:49 pm
- 4 Replies
- 4092 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
- 3244 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
- 5524 Views
- Last post by Drulli
Thu May 07, 2015 7:38 pm
- How to open the 82033A battery packs?
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