Huangdi jiuzhang suanfa xicao

work by Jia Xian

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In Jia Xian
…of the first are extant, Huangdi jiuzhang suanfa xicao (“Detailed Sketches to the Yellow Emperor’s Nine Chapters on Mathematical Methods”) and Suanfa xiaoguji (“Collection of Mathematical Methods According to the Ancients”). Of the mathematical problems contained in the first book, about two-thirds are thought to have been incorporated in Yang…
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