Conics Remarks. If the conic is singular this result is Pappus's theorem (namedafter pappus of alexandria (about 300 AD). See Exercises 8 Question 5. http://www.gap-system.org/~john/geometry/Lectures/L24.html
NIKAIEÔN COINS Obverse Type Within A Circle, The Laureate Bust about 240 in (possibly) Nicaea (Iznik), Bithynia (Turkey) Died about 300 Sporustaught pappus of alexandria and we know of him only through Pappus's writings. http://www.angelfire.com/ar/atay/NICAEA/MathCoin.html
Extractions: Little is known of Hipparchus's life, but he is known to have worked in Nicaea, Rhodes and Alexandria. worked on trigonometry. He introduced the division of a circle into 360 degrees into Greece and produced a table of chords, an early example of trig tables. He also gave methods for solving spherical triangles and advocated the use of latitude and longitude for position on the Earth. Hipparchus calculated the length of the year to within 6.5 minutes and discovered the precession of the equinoxes. Hipparchus's value of 46" for the annual precession is good compared with the modern value of 50.26" and much better than the figure of 36" the Ptolemy was to obtain nearly 300 years later. His star catalog, containing about 850 stars, lists magnitude with a six point scale similar to that used today. His star catalogue, completed in 129 BC, was used by Ptolemy and its quality was such that it was even used by Halley.
History Of Astronomy: Roughly Sorted Links - Biographies (1) Julius) Oberth, Hermann (Julius) Olbers, Wilhelm Oort, Jan Hendrik Öpik, ErnestJulius Oughtred, William Overweg, Adolf pappus of alexandria Paracelsus Pascal http://www.astro.uni-bonn.de/~pbrosche/unsorted/rough_bio_01.html
Heron it is reasonable to deduce that he taught at the Museum in alexandria. pappus describesthe contribution of Heron in Book VIII of his Mathematical Collection. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Heron.html
TEOREMA DE PAPPUS El teorema de pappus fou demostrat per primera vegada per pappus de alexandria, alvoltant de l´any 300 aC Un enunciat d´aquest teorema pot ser el següent http://www.xtec.es/~jdomen28/teoremadepappus.htm
Apollonius Of Perga Library Of Congress Citations Geometry, Plane Early works to 1800. Other authors pappus, of alexandria. Otherauthors pappus, of alexandria. Eutocius, of Ascalon. http://www.malaspina.edu/~mcneil/cit/citlcapollonius.htm
Extractions: The Little Search Engine that Could Down to Name Citations LC Online Catalog Amazon Search Book Citations (12 Records) Author: Apollonius, of Perga. Uniform Title: Keonika. French. Title: Les coniques d'Apollonius de Perge; 6uvres traduites pour la premiaere fois du grec en franpcais avec une introduction et des notes par Paul ver Eecke. Published: Bruges, Desclbee, de Brouwer et cie, 1923. Description: L p., 1 l., 656 p. front., diagrs. 28 cm. LC Call No.: QA31 .A6 1923 Notes: "Ouvrage publibe sous les auspices de la Fondation universitaire de Belgique." Subjects: Mathematics, Greek. Conic sections. Other authors: Ver Eecke, Paul, 1867- tr. Control No.: 24025507 //r842 Author: Apollonius, of Perga. Uniform Title: Keonika. English Title: Conics. Book I- Translated into English from the Greek by R. Catesby Taliaferro ... Published: [Annapolis, Md.] c1939- Description: v. diagrs. 28 cm. Series: The classics of the St. John's program LC Call No.: QA31 .A5 1939 Dewey No.: 513.22 Notes: At head of title: Apollonius of Perga. Mimeographed. Subjects: Mathematics, Greek. Conic sections. Other authors: Taliaferro, R. Catesby (Robert Catesby), 1907- tr. Control No.: 40008976 //r90 Author: Apollonius, of Perga. Title: Treatise on conic sections [microform] / edited in modern notation, with introductions including an essay on the earlier history of the subject by T.L. Heath. Published: Cambridge : University Press, 1896. Description: clxx, 254 p. : ill. ; 23 cm. LC Call No.: Microfilm 84/6746 (Q) Notes: Contents: Introduction: pt. I. The earlier history of conic sections among the Greeks. pt. II. Introduction to the "Conics" of Apollonius The "Conics" of Apollonius. Call number of original: QA31.A5 1896. Master microform held by: DLC. Microfilm. Washington, D.C. : Library of Congress Photoduplication Service, 1984. 1 microfilm reel ; 35 mm. Control No.: 84196497 //r85
Pappus. The Columbia Encyclopedia, Sixth Edition. 2001 2001. pappus. (p p´ s) (KEY) , fl. c.300, Greek mathematician of alexandria. pappusother works include a commentary on Ptolemys Almagest. 1. http://www.bartleby.com/65/pa/Pappus.html
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Biography.com Papp, Joe, 1921 1991. Papp, Joseph (b. Papirofsky), 1921 1991. pappus ofAlexandria, c. 350 . Paracelsus, 1493 1541. Parbo, Sir Arvi Hillar, 1926. http://search.biography.com/bio_browse.pl?letter=P&num=100
¼¼°èÀÇ ¼öÇÐÀÚ ? Jean Victor Poncelet. Sir Ronald Aylmer Fisher. ? Pappusof alexandria. Luca Pacioli. Hardy, Godfrey Harold. http://math.dongeui.ac.kr/main/mathman/mathman_main.htm
Encyclopædia Britannica Encyclopædia Britannica, http://www.britannica.com/eb/topic?eu=119063&type=13
¤Hª« The summary for this Chinese (Traditional) page contains characters that cannot be correctly displayed in this language/character set. http://www.edp.ust.hk/math/history/3/
Matematika - Geometrija U Grckoj The summary for this Macedonian page contains characters that cannot be correctly displayed in this language/character set. http://rastko.8m.net/antika/grckaost.html