I still have a small abacus that I bought probably 30 years ago. I'd have to start all the way over from the beginning learning how to use it, though. And we've got two slide rules. Those, I remember how to use.
in japan they had a similar counting device, but the beads were set slightly different. i can't remember the name or how to use, but if someone can wrangle me up a pic that would bring back some nice memories. i am gonna go do a little search on my own.
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@Nick: My island name is Nicko: It's called a Soroban.
The suanpan (Chinese version) is on the top, and the soropan is on the bottom.
EDIT: Nooooo!! IMG SRC no longer works. :(
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