I don’t like math at all, so I’m not sure why I like abaci, but I do. I have a nice wooden one that I got on eBay, it is one of the Japanese style, which seem more elegant in function to me than the Chinese style. I stumble across this site from time to time… it looks as if the author has expanded it quite a bit in the last year.
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Caution: Lower fat does not mean that this blog is healthier than other blogs