HP-41 Hardware
106 topics • Page 2 of 5 • 1, 2, 3, 4, 5
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- 41C and modules from eBay — "NONEXISTENT"
by Jordan Orlando » Sun Apr 04, 2021 11:24 am
- 7 Replies
- 132050 Views
- Last post by Jordan Orlando
Mon Apr 05, 2021 1:28 am
- 41C and modules from eBay — "NONEXISTENT"
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- HP41 and hp16 emulation
by ystone21 » Fri Mar 19, 2021 9:36 am - 5 Replies
- 94286 Views
- Last post by rprosperi
Sun Mar 21, 2021 7:41 pm
- HP41 and hp16 emulation
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- Book on HP41 repair
by divasson » Sun Oct 04, 2020 8:02 am - 4 Replies
- 82455 Views
- Last post by pcscote
Mon Oct 05, 2020 11:41 am
- Book on HP41 repair
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- Battery contact unit for HP 41CX
by CHUI HT » Sun Aug 23, 2020 3:33 am - 3 Replies
- 18167 Views
- Last post by kkritsilas
Fri Oct 02, 2020 2:06 am
- Battery contact unit for HP 41CX
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- HP-41CL Conversion Question
by TwoWeims » Tue Sep 10, 2019 11:29 pm - 2 Replies
- 15732 Views
- Last post by divasson
Sun Sep 20, 2020 10:09 pm
- HP-41CL Conversion Question
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- Can't See Plugin Modules
by Interalia » Mon Apr 20, 2020 1:14 pm - 1 Replies
- 10182 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
- 16062 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
- 18553 Views
- Last post by GerardSen
Fri Oct 04, 2019 1:51 pm
- Keyboard Overlays
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- HP-41CV - doesn't power on
by cappy2112 » Mon Jan 23, 2017 12:51 am
- 28 Replies
- 295276 Views
- Last post by wgh52
Fri Aug 02, 2019 7:03 am
- HP-41CV - doesn't power on
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- HP 41CV playing up
by nhkader » Sun Jun 23, 2019 11:39 pm - 4 Replies
- 13835 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
- 8873 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
- 11474 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
- 10473 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
- 15727 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
- 16560 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
- 13761 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
- 12529 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
- 15690 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
- 19312 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
- 10519 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
- 11855 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
- 15255 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
- 12827 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
- 13218 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
- 17734 Views
- Last post by HP-Collection
Sat Oct 17, 2015 6:10 pm
- HP41 Mini USB power from PC
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