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- HP-41
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HP-41 Hardware
Everything about 41C 41CV and 41CX Hardware - 106 Topics
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Last post by Garth
Fri Jan 17, 2025 6:42 pm
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HP-41 Hardware
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HP-41 Software
Programs for HP-41 - 76 Topics
- 283 Posts
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Last post by Duncan
Mon Jul 13, 2026 2:02 pm
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HP-41 Software
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HP-41 Documentation
- 17 Topics
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Last post by mike-stgt
Wed Jul 31, 2024 7:19 pm
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HP-41 Documentation
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HP-41 Emulators/Simulators
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Last post by jotne
Wed Sep 09, 2026 4:46 pm
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HP-41 Emulators/Simulators
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Programming
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Last post by mike-stgt
Sun Jan 11, 2026 3:10 pm
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Programming
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Card Reader
82104A - 12 Topics
- 34 Posts
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Last post by markgreco
Mon Oct 14, 2024 10:25 am
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Card Reader
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Bar Code Wand
82153A - 6 Topics
- 14 Posts
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Last post by mike-stgt
Wed Sep 17, 2025 12:03 pm
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Bar Code Wand
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Digital Cassette Drive
82161A - 4 Topics
- 32 Posts
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Last post by mhn41cx
Wed Dec 25, 2024 11:33 pm
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Digital Cassette Drive
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- Other
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Buy & Sell
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Last post by Trapeza
Sun Dec 21, 2025 8:46 am
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Buy & Sell
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Other HP Calculators
All other HP calculators - 19 Topics
- 59 Posts
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Last post by mike-stgt
Wed Sep 02, 2026 2:11 am
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Other HP Calculators
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General Discussion
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Last post by Garth
Thu Oct 16, 2025 8:53 am
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General Discussion
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