| LC control no. | sh2018000259 |
|---|---|
| LC classification | QA141.8.V54 |
| Topical heading | Vigesimal system |
| Variant(s) | Base twenty numeration |
| See also | Arithmetic Numeration |
| Found in | Work cat.: Gyves Ruiz, Desiderio de. Xigāba bīnnizā = Numeración en zapoteco, 2016: page 2 (The use of Zapotec in teaching mathematics to native speakers, cemented in the Mesoamerican vigesimal system) The story of mathematics WWW site February 5, 2018: Mayan mathematics (The Mayan and other Mesoamerican cultures used a vigesimal number system based on base 20 (and, to some extent, base 5), probably originally developed from counting on fingers and toes) Rethinking mathematics, 2006: page 73 (origins of the vigesimal number system; Zapotecs of Oaxaca used the Mesoamerican vigesimal system in their calendars between 900 and 400 B.C.; the Izapan culture used the same convention; later, the Mayas, to whom the vigesimal system is mistakenly attibuted, used this system) Science WWW site February 5, 2018: Holden, Constance. How Aztecs did the math, 2008 (the Aztec number system, a vigesimal system, using 20 as its base) nigercongoindoeuropeandotnet WWW site February 5, 2018: Counting in twenties (the main language groups in Europe which retain the vigesimal counting system are Basque and the Brythonic Celtic languages ... while some remnants are found in French and Danish ... a common feature of many Niger Congo languages of western tropical Africa) Africa Public WWW site February 23, 2018: (the Yoruba people developed a complex numerical system that is vigesimal in nature) |
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