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Image via Wikipedia Image via Wikipedia Quotes by George Polya. An George Polya Quote Library | The Gaiam Blog : "Mathematics is the cheapest science. Unlike physics or chemistry, it does not require any expensive equipment. All one needs for mathematics is a pencil and paper. George Polya"

Image via Wikipedia Pythagoras - Geometry : " PYTHAGORAS of SAMOS A Collection of Essays and Lessons for Junior and Senior High School " .. .ero . Related articles Pythagoras, a math genius? Not by Babylonian standards (cnn.com) Dow Diary: Flat as a Punctured Tire (observer.com)