Fibonacci
Italian mathematician (c. 1170–1245) / From Wikipedia, the free encyclopedia
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Fibonacci (/ˌfɪbəˈnɑːtʃi/;[3] also US: /ˌfiːb-/,[4][5] Italian: [fiboˈnattʃi]; c. 1170 – c. 1240–50),[6] also known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo Pisano ('Leonardo the Traveller from Pisa'[7]), was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages".[8]
Fibonacci | |
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Born | c. 1170 |
Died | c. 1250(1250-00-00) (aged 79–80) Pisa, Republic of Pisa |
Other names |
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Occupation | Mathematician |
Known for |
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Parent | Guglielmo "Bonacci" (father) |
The name he is commonly called, Fibonacci, was made up in 1838 by the Franco-Italian historian Guillaume Libri[9][10] and is short for filius Bonacci ('son of Bonacci').[11][lower-alpha 2] However, even earlier, in 1506, a notary of the Holy Roman Empire, Perizolo mentions Leonardo as "Lionardo Fibonacci".[12]
Fibonacci popularized the Indo–Arabic numeral system in the Western world primarily through his composition in 1202 of Liber Abaci (Book of Calculation)[13][14] and also introduced Europe to the sequence of Fibonacci numbers, which he used as an example in Liber Abaci.[15]