Yupana

A sketch of Quipucamayoc from El primer nueva corónica y buen gobierno. A yupana is shown in the bottom left.
An Inca "table yupana" artifact, possibly unrelated to the historical calculating instrument
Inca Empire
Inca society
Inca history

A yupana (from Quechua: yupay 'count')[1] is a counting board used to perform arithmetic operations, dating back to the time of the Incas. Very little documentation exists concerning its precise physical form or how it was used.

  1. ^ Santo Tomas, "Lexicon o Vocabulario de la lengua general del Peru", 1560