bn:01773975n
Noun Concept
Categories: Inca mathematics, Mathematical tools, Quechua words and phrases
EN
yupana
EN
A yupana is a counting board used to perform arithmetic operations, dating back to the time of the Incas. Wikipedia
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EN
A yupana is a counting board used to perform arithmetic operations, dating back to the time of the Incas. Wikipedia
Type of abacus from South America Wikidata
IS A
Wikipedia
EN
Wikidata
EN