Quipus

• (pl. ) of Quipu
Found on http://thinkexist.com/dictionary/meaning/quipus/

quipus

quipus or khipus (kē'pOOz) , groups of strings, knotted for tally, which were used by the Inca for keeping records and sending messages. The quipu was based on the decimal system. Small cords with knots in them were attached to a main cord or a top band; the color of the cord, its place, i...
Found on http://www.infoplease.com/ce6/society/A0840835.html
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