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Abacus


Drummer_Dave

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I would probably agree that it gets you to think about numbers more.

I have a suanpan(2 top beads, 5 bottom beads), but think the soroban(1:4) would be easier to work with. More videos available and fewer extraneous beads to deal with.

There are ones with a bar to reset the top beads all at once, which would be nice to have, but wouldn't be a dealbreaker.

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