karaji

  • 31Inconnue (mathématiques) — Pour les articles homonymes, voir L Inconnue (homonymie). Une inconnue, en mathématiques, est un élément constitutif d une question de même nature qu une équation. L inconnue permet de décrire une propriété vérifiée par une ou plusieurs valeurs… …

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  • 32Nombre triangulaire — Cette figure illustre le fait de 28 est le septième nombre triangulaire. En arithmétique, un nombre triangulaire est un cas particulier de nombre figuré. Il correspond à un nombre entier positif égal au nombre de pastilles dans un triangle… …

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  • 33Triangle de Pascal — Pour les articles homonymes, voir Pascal. Premières lignes du triangle de Pascal. En mathématiques, le triangle de Pascal, est une présentation des coeffici …

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  • 34Diophantus of Alexandria — ▪ Greek mathematician flourished c. AD 250       Greek mathematician, famous for his work in algebra.       What little is known of Diophantus s life is circumstantial. From the appellation “of Alexandria” it seems that he worked in the main… …

    Universalium

  • 35Bernoulli number — In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. They are closely related to the values of the Riemann zeta function at negative integers. There are several conventions for… …

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  • 3611th century — As a means of recording the passage of time, the 11th century is the period from 1001 to 1100 in accordance with the Julian calendar in the Christian/Common Era. In the history of European culture, this period is considered the early part of the… …

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  • 371000 — The year 1000 of the Gregorian Calendar was the last year of the 10th century as well as the last year of the first millennium of the Christian era ending on December 31st. According to the then used Julian Calendar, AD 1000 was a leap year… …

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  • 38Ulugh Beg — Ulugh Bek Forensic facial reconstruction Born March 22, 1394 Sultaniyeh Died October 27, 1449 Occupation …

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  • 39Mathematical proof — In mathematics, a proof is a convincing demonstration (within the accepted standards of the field) that some mathematical statement is necessarily true.[1][2] Proofs are obtained from deductive reasoning, rather than from inductive or empirical… …

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  • 40Liber Abaci — (1202, also spelled as Liber Abbaci) is an historic book on arithmetic by Leonardo of Pisa, known later by his nickname Fibonacci. Its title has two common translations, The Book of the Abacus or The Book of Calculation . In this work, Fibonacci… …

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