Reckoner
81Decimal — For other uses, see Decimal (disambiguation). This article aims to be an accessible introduction. For the mathematical definition, see Decimal representation. Numeral systems by culture Hindu Arabic numerals Western Arabic (Hindu numerals)… …
82Diophantus — For the general, see Diophantus (general). Title page of the 1621 edition of Diophantus Arithmetica, translated into Latin by Claude Gaspard Bachet de Méziriac. Diophantus of Alexandria (Greek: Διόφαντος ὁ Ἀλεξανδρεύς XD. b. between 200 and 214… …
83Gottfried Leibniz — Infobox Philosopher region = Western Philosophy era = 18th century philosophy color = #B0C4DE |250px image caption = Gottfried Wilhelm Leibniz name = Gottfried Wilhelm Leibniz birth = 1 July (21 June Old Style) 1646, Leipzig, Electorate of Saxony …
84Haiku — This article is about the Japanese poetic form. For haiku poetry written in English, see Haiku in English. For other uses, see Haiku (disambiguation). Haiku (俳句, haikai verse?) …
85History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …
86Library of Alexandria — For the modern library, see Bibliotheca Alexandrina. This Latin inscription regarding Tiberius Claudius Balbilus of Rome (d. c. AD 79) mentions the ALEXANDRINA BYBLIOTHECE (line eight).. The Royal Library of Alexandria, or Ancient Library of… …
87Myriad — For other uses, see Myriad (disambiguation). Myriad (Ancient Greek: μύριος, μυριάδες (myrios, plural myriades), numberless countless, infinite , is a classical Greek word for the number 10,000. In modern English, the word refers to an unspecified …
88Pythagoras — of Samos redirects here. For the Samian statuary, see Pythagoras (sculptor). For other uses, see Pythagoras (disambiguation). Pythagoras (Πυθαγόρας) …
89Ptolemy — For others with Ptolemy... names, and history of those names, see Ptolemy (name). Ptolemy An early B …
90Universe — For other uses, see Universe (disambiguation). Physical cosmology …
