Strings and strands. (End Note).(Brief Article)

From: Strategic Finance | Date: June 1, 2002 | Copyright information

The Inca Quipu, 1500 A.D.

With no written language, the Incas used bundles of knotted cords called quipus to keep their mathematical records. It was not until 1923 that L. Leland Locke at the Museum of Natural History in New York cracked the code of the knots and colored strings. Locke speculated that the knots on the strings were in the traditional base-10 positions of units, tens, and hundreds so that a hanging string (pendant) with three knots at the top, two in the m...

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