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this post was submitted on 14 Jul 2025
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Nope, 69!
That's not a five...
I have done this for years without knowing that thereβs a name. Having the visual should make it a lot easier to explain to others. I do it on the opposite hands, but otherwise itβs basically the same. I guess itβs pretty much common sense, but I had a devil of a time showing others how to use it.
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.
You can get to 1023 with binary fingers, assuming you have all your fingers.
Oh yeah you're right, I was just thinking of 2^9
Anytime!
Finger abacus.
I like this, it's so logical it seems obvious but I've never counted this way. Being able to count up to 100 and easily do basic arithmetic is great while being easier to manage than trying to calculate binary on my fingers (for me). Im gonna start using it.