kottke.org

...is a weblog about the liberal arts 2.0 edited by Jason Kottke since March 1998 (archives). You can read about me and kottke.org here. If you've got questions, concerns, or interesting links, send them along.

Neat multiplication visualization

According to this YouTube video, Japanese do multiplication by drawing lines like this:

(via ★vuokko)

By Jason Kottke    Jan 20, 2012 at 04:40 pm    mathematics   video

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