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All about the HP-41C caclulators

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  • Card Reader
    82104A
    12 Topics
    37 Posts
    Last post by Garth View the latest post
    Wed Apr 08, 2026 8:40 am
  • Bar Code Wand
    82153A
    6 Topics
    14 Posts
    Last post by mike-stgt View the latest post
    Wed Sep 17, 2025 12:03 pm
  • Printers
    82143A 82162A 82240B 2225B
    15 Topics
    58 Posts
    Last post by mike-stgt View the latest post
    Wed Sep 17, 2025 11:22 am
  • HP-IL
    82160A
    24 Topics
    146 Posts
    Last post by Garth View the latest post
    Thu Sep 18, 2025 10:35 pm
  • Digital Cassette Drive
    82161A
    4 Topics
    32 Posts
    Last post by mhn41cx View the latest post
    Wed Dec 25, 2024 11:33 pm
  • Modules
    All plugins for the HP41
    41 Topics
    124 Posts
    Last post by AndersG View the latest post
    Fri Mar 20, 2026 7:06 am

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