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''The Mathematical Classic of Sunzi'' (, ''Sunzi Suanjing'') was a mathematical treatise written during the 5th century and was listed as one of The Ten Computational Canons during the Tang dynasty. The specific identity of its author Sun Tzu (lit. "Master Sun") is still unknown but he was much later than (and not to be confused with) the military theorist responsible for ''The Art of War''. From the textual evidence in the book, some scholars concluded that the work was completed during the Southern and Northern Dynasties. ==Content== The book is divided into three chapters: Chapter 1: Detailed discussion on measurement units of length, weight and capacity, and the rules of counting rods. Although counting rods were in use in the Spring and Autumn Period and many ancient books on mathematics such as ''Book on Numbers and Computation'' and ''The Nine Chapters on the Mathematical Art'', but no detail account of the rules were given. For the first time, ''The Mathematical Classic of Sun Zi'' provided a detail description of the rules of counting rods: "one must know the position of the counting rods, the units are vertical, the tens horizontal, the hundreds stand the thousands prostrate".〔Lam Lay Yong and An Tian Se, Fleeting Footsteps p55, ''World Scientific'', ISBN 981-02-3696-4〕 Followed by the detailed layout and rules for manipulation of the counting rods in addition, subtraction, multiplication, and division with ample examples. Chapter 2 deals with operational rules for fractions with rod numerals: the reduction, addition, subtraction, and division of fractions, followed by mechanical algorithm for the Extraction of Square root.〔Lam Lay Yong and An Tian Se, Fleeting Footsteps p65, ''World Scientific'', ISBN 981-02-3696-4〕 Chapter 3 contains the earliest example of Chinese remainder theorem. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「The Mathematical Classic of Sunzi」の詳細全文を読む スポンサード リンク
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