[Aztlan] Aztec Math Used Hearts and Arrows: Scientific American
Edward Allen
ekbalam at ix.netcom.com
Thu Apr 3 20:28:51 CDT 2008
Lists Members; Using Aztec math in symbols that were applied in ancient land surveying.
http://www.sciam.com/article.cfm?id=aztec-math-uses-hearts-and-arrows
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