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Code of the Quipu is a book on the Inca system of recording numbers and other information by means of a quipu, a system of knotted strings.It was written by mathematician Marcia Ascher and anthropologist Robert Ascher, and published as Code of the Quipu: A Study in Media, Mathematics, and Culture by the University of Michigan Press in 1981.
With her husband, Ascher co-authored the book Code of the Quipu: A Study in Media, Mathematics, and Culture (University of Michigan Press, 1981); it was republished in 1997 by Dover Books as Mathematics of the Incas: Code of the Quipu. [6]
Representation of a quipu, an Inca accounting and mnemonic instrument.. The prevailing numeral system was the base-ten. [2] One of the main references confirming this are the chronicles that present a hierarchy of organized authorities, using the decimal numeral system with its arithmometer: Quipu.
Cover of The Ancient Quipu (1923) by Leslie Leland Locke. Under the guidance of Professor David Eugene Smith , Locke began studying Andean quipus , drawing on Smith's extensive collection of rare books on South America and his access to specimens housed at the American Museum of Natural History . [ 6 ]
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A well-kept example of quipu from the Inca Empire on display at the Larco Museum. Despite the lack of a written language, the Incas invented a system of record-keeping simple and stereotyped information based on knotted string known as quipu. [22] To describe the decimal system, these knot structures used complex knot arrangements and color ...
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