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Leonardo di ser Piero da Vinci [b] (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. [3] While his fame initially rested on his achievements as a painter, he has also become known for his notebooks, in which he made ...
- Studio of Andrea del Verrocchio
the free encyclopedia that anyone can edit. 6,826,055 articles in English. From today's featured article. The oyster dress is a high fashion gown created by British fashion designer Alexander McQueen for his Spring/Summer 2003 collection Irere. McQueen's design is a one-shouldered dress in bias-cut beige silk chiffon with a boned upper body and ...
Leonardo Wilhelm DiCaprio ( / diˈkæprioʊ, dɪ -/; Italian: [diˈkaːprjo]; born November 11, 1974) is an American actor and film producer. Known for his work in biographical and period films, he is the recipient of numerous accolades, including an Academy Award, a British Academy Film Award, and three Golden Globe Awards.
- Biography
- Liber Abaci
- Fibonacci Sequence
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Fibonacci was born around 1170 to Guglielmo, an Italian merchant and customs official. Guglielmo directed a trading post in Bugia (Béjaïa), in modern-day Algeria, the capital of the Hammadid empire. Fibonacci travelled with him as a young boy, and it was in Bugia (Algeria) where he was educated that he learned about the Hindu–Arabic numeral system....
In the Liber Abaci (1202), Fibonacci introduced the so-called modus Indorum (method of the Indians), today known as the Hindu–Arabic numeral system, with ten digits including a zero and positional notation. The book showed the practical use and value of this by applying the numerals to commercial bookkeeping, converting weights and measures, calcul...
Liber Abaci posed and solved a problem involving the growth of a population of rabbits based on idealized assumptions. The solution, generation by generation, was a sequence of numbers later known as Fibonacci numbers. Although Fibonacci's Liber Abacicontains the earliest known description of the sequence outside of India, the sequence had been des...
In the 19th century, a statue of Fibonacci was set in Pisa. Today it is located in the western gallery of the Camposanto, historical cemetery on the Piazza dei Miracoli. There are many mathematical concepts named after Fibonacci because of a connection to the Fibonacci numbers. Examples include the Brahmagupta–Fibonacci identity, the Fibonacci sear...
Practica Geometriae (1220), a compendium of techniques in surveying, the measurement and partition of areas and volumes, and other topics in practical geometry(English translation by Barnabas Hughe...Flos(1225), solutions to problems posed by Johannes of PalermoLiber quadratorum ("The Book of Squares") on Diophantine equations, dedicated to Emperor Frederick II. See in particular congruum and the Brahmagupta–Fibonacci identity.Devlin, Keith (2012). The Man of Numbers: Fibonacci's Arithmetic Revolution. Walker Books. ISBN 978-0802779083.Goetzmann, William N. and Rouwenhorst, K.Geert (2005). The Origins of Value: The Financial Innovations That Created Modern Capital Markets. Oxford University Press Inc., US, ISBN 0-19-517571-9.Goetzmann, William N., Fibonacci and the Financial Revolution (October 23, 2003), Yale School of ManagementInternational Center for Finance Working Paper No. 03–28Grimm, R. E., "The Autobiography of Leonardo Pisano", Fibonacci Quarterly, Vol. 11, No. 1, February 1973, pp. 99–104."Fibonacci, Leonardo, or Leonardo of Pisa." Complete Dictionary of Scientific Biography. 2008. Encyclopedia.com. (April 20, 2015).O'Connor, John J.; Robertson, Edmund F., "Leonardo Pisano Fibonacci", MacTutor History of Mathematics Archive, University of St AndrewsFibonacci (2 vol., 1857 & 1862) Il liber abaci and Practica Geometriae – digital facsimile from the Linda Hall LibraryLeo Tolstoy at age 20, c. 1848. Tolstoy was born at Yasnaya Polyana, a family estate 12 kilometres (7.5 mi) southwest of Tula, and 200 kilometres (120 mi) south of Moscow. He was the fourth of five children of Count Nikolai Ilyich Tolstoy (1794–1837), a veteran of the Patriotic War of 1812, and Princess Mariya Tolstaya (née Volkonskaya; 1790 ...
The Giver is a 1993 American young adult dystopian novel written by Lois Lowry, set in a society which at first appears to be utopian but is revealed to be dystopian as the story progresses. In the novel, the society has taken away pain and strife by converting to "Sameness", a plan that has also eradicated emotional depth from their lives. In ...
Berners-Lee was born in London on 8 June 1955, [24] the son of mathematicians and computer scientists Mary Lee Woods (1924–2017) and Conway Berners-Lee (1921–2019). His parents were both from Birmingham and worked on the Ferranti Mark 1, the first commercially-built computer. His paternal grandmother was a Canadian woman from Winnipeg. [25]
