squaring the circle
81Tom Stoppard — Infobox Writer name = Tom Stoppard birthname = Tomáš Straussler pseudonym = William Boot birthdate = birth date and age|1937|7|3|df=y birthplace = Zlín, Czechoslovakia occupation = Playwright and screenwriter nationality = United Kingdom period …
82Aristarchus of Samos — Aristarchus, or more correctly Aristarchos (Greek: Ἀρίσταρχος, Arístarchos; 310 BC – ca. 230 BC), was a Greek astronomer and mathematician, born on the island of Samos, in Greece. He presented the first known heliocentric model of the solar… …
83Wrestling ring — A wrestling ring is the ring stage that professional wrestlers wrestle in.Wrestling rings are generally composed of an elevated steel beam and wood plank stage covered by foam padding and a canvas mat, with the sides then covered with an apron to …
84Mādhava of Sañgamāgrama — Madhava Born c.1350 Died c.1425 Residence Sangamagrama (Irinjalakuda (?) in Kerala) Nationality Indian Ethnicity …
85Constructible number — For numbers constructible in the sense of set theory, see Constructible universe. A point in the Euclidean plane is a constructible point if, given a fixed coordinate system (or a fixed line segment of unit length), the point can be constructed… …
86Ptolemy — For others with Ptolemy... names, and history of those names, see Ptolemy (name). Ptolemy An early B …
87Baudhayana — Baudhāyana, (fl. ca. 800 BCE)cite web last = O Connor first = J J authorlink = coauthors =E F Robertson title =Baudhayana work = publisher = School of Mathematics and Statistics, University of St Andrews, Scotland month = November | year = 2000… …
88On Sizes and Distances — [of the Sun and Moon] (Περὶ μεγεθῶν καὶ ἀποστημάτων – Peri megethon kai apostematon) is a text by the ancient Greek astronomer Hipparchus. It is not extant, but some of its contents have been preserved in the works of Ptolemy and his commentator… …
89Квадратура круга Тарского — задача, сформулированная Альфредом Тарским в 1925 году: Возможно ли разрезать круг на конечное количество частей и собрать из них квадрат такой же площади? Или, более формально, возможно ли разбить круг на конечное количество попарно… …
90Menelaus of Alexandria — (c. 70–140 CE) was a Greek[1] mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines. Contents 1 Life and Works 2 Bibliography …
