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Plum@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 14 days ago

Chisanbop (finger math)

en.wikipedia.org

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Chisanbop (finger math)

en.wikipedia.org

Plum@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 14 days ago
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Chisanbop - Wikipedia
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  • Fubarberry@sopuli.xyz
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    14 days ago

    Pretty interesting. I’ve seen counting with using your fingers as binary digits before, which will let you count up to 512, but this being usable for math is really cool.

    • milkisklim@lemmy.world
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      14 days ago

      You can get to 1023 with binary fingers, assuming you have all your fingers.

      • Fubarberry@sopuli.xyz
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        14 days ago

        Oh yeah you’re right, I was just thinking of 2^9

        • milkisklim@lemmy.world
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          14 days ago

          Anytime!

      • SendMePhotos@lemmy.world
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        9 days ago

        Wow. I like that a lot. Have you done that or is this just a thought?

        • milkisklim@lemmy.world
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          9 days ago

          Ive tried but I don’t really have a use case in my day to day life beyond counting to 30 after that I’d rather keep paper records so I don’t lose count.

          Anyways, here the Wikipedia article about it.

    • reddig33@lemmy.world
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      14 days ago

      Finger abacus.

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