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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.
Locke's most prominent work, The Ancient Quipu or Peruvian Knot Record (1923), demonstrated how the Inca tied knots on quipu cords using a base-10 positional number system. [2] In addition to his work on quipus , Locke is also recognized for his research on the history of mathematics [ 3 ] and mathematical instruments, particularly his research ...
The word Quipu is derived from a Quechua word meaning 'knot' or 'to knot'. [16] The terms quipu and khipu are simply spelling variations on the same word.Quipu is the traditional spelling based on the Spanish orthography, while khipu reflects the recent Quechuan and Aymaran spelling shift.
A tambo (Quechua: tampu, "inn") was an Inca structure built for administrative and military purposes. Found along the extensive roads, tambos typically contained supplies, served as lodging for itinerant state personnel, [1] and were depositories of quipu-based accounting records.
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I was wondering when we'd use quipu instead of khipu... --Merovingian 12:47, August 12, 2005 (UTC) Yep. English texts I've read always referred to the object as quipu, not khipu. And Wikipedia:Use common names says that we go by the most common name. Quipu gets 67,200 Google hits, as opposed to only 28,300 for khipu.