## Mathematics of the Incas: Code of the QuipuUnique, thought-provoking study discusses quipu, an accounting system employing knotted, colored cords, used by Incas to transmit information. Cultural context, mathematics involved, quipu-maker in Inca society, and even how to make a quipu. Fascinating for anthropologists, ethnologists, students, general readers. Over 125 photos and illustrations. |

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#### Review: Mathematics of the Incas: Code of the Quipu

User Review - Suncan Stone - Goodreads'Written by a mathematician and an anthropologist...' one would think that it is rather exciting... Well, how wrong could one be... At times it seems as if they switched their roles and we learn ... Read full review

#### Review: Mathematics of the Incas: Code of the Quipu

User Review - Bird - GoodreadsA clearly written book on a very interesting topic. Some of the more anthropological bits were a little boring for me, but I suspect that's just because I was only reading it for the math. Read full review

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### Common terms and phrases

Andean arithmetic associated Ayllu Ayllu Ayllu base 10 positional branches on level C4 Cl C2 categorical sums chart Cieza Cl C2 C3 Cl Cl Cl color coding color system construction context cord colors cord groups cross categorization culture Cuzco data tree decimal fractions design unit discussion ears of maize elements Eulerian path figure eight knot Florian Cajori format four pendants graph theory Guaman Poma ideas Inca insistence integers interpreted knot clusters layout lobsterman logical structure long knot looped main cord maize mathematics Museum notation particular pattern Paul Fejos pendant cords Pendants in group percent Peru placed plate Poma positional notation potatoes quipu example 5.3 quipumaker ratios record relationship representation result Sapa Inca scores shown in figure single knots space Spanish spatial storehouses subcharts subsidiaries Sumerian Sumerian scribe summation symbols tablet Team tion top cords translated tree diagram types write yarn York