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MAA Found Math for the Week of October 8, 2012

"This evolute of an ellipse (an evolute of a curve is the locus of its centers of curvature)," wrote Nelsen, "is one of several mathematically-themed floor tilings in the Percy Lavon Julian Science and Mathematics Center on the campus of DePauw University in Greencastle, Indiana."


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Uploaded on October 10, 2012