= Inca mathematics
{wiki=Category:Inca_mathematics}
Inca mathematics refers to the numerical and logistical systems used by the Inca Empire, which thrived in the Andean region of South America from the early 15th century until the Spanish conquest in the 16th century. The Incas did not have a written form of mathematics like many other civilizations; instead, they employed a sophisticated system based on the quipu, a device made of colored strings and knots that served as a means of record-keeping and information management.
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