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
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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.
^Santo Tomas, "Lexicon o Vocabulario de la lengua general del Peru", 1560
form or how it was used. The term yupana refers to two distinct classes of objects: Table Yupana (or archaeological yupana): a system of geometric boxes of...
using a yupana (Quechua for "counting tool"; see figure) which was still in use after the conquest of Peru. The working principle of a yupana is unknown...
characterized by its usefulness in the economic field. The quipus and yupanas are proof of the importance of arithmetic in Inca state administration...
military units. These numbers, stored in quipu, could be calculated on yupanas, grids with squares of positionally varying mathematical values, perhaps...
subitizing 15+ objects correctly.[citation needed] The hypothesized use of yupana, an Inca counting system, placed up to five counters in connected trays...
Retrieved 18 August 2018. Charoenwong, Ben; Morck, Randall; Wiwattanakantang, Yupana (14 May 2021). "Bank of Japan Equity Purchases: The (Non-)Effects of Extreme...
Adoption. Mehrotra, Vikas; Morck, Randall; Shim, Jungwook; Wiwattanakantangd, Yupana (2013). "Adoptive Expectations: Rising Sons in Japanese Family Firms" (PDF)...
Nova Scotia), into which it was merged. Polsiri, Piruna; Wiwattanakantang, Yupana. Business Groups in Thailand: Before and after the East Asian Financial...
percussion and live looping Sudoku (2009) for violin, tabla and electronics Yupana (2009) for chamber ensemble and electronics LinguaElastic (2007) for live...
Mata Qucha Muru Qucha Patu Qucha P’unqu Q’asa Silla Q'asa Uqi Pastu Waka Yupana Wanay Yana Qucha Yuraq Yaku Urqu The people in the district are mainly Indigenous...
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