21. EULER Leonhard Translate this page euler leonhard suisse, 1707-1783. Elève de Jean Bernoulli. Sansdoute un des plus grands mathématiciens de tous les temps. Il s http://math.as.free.fr/Un_gout_pour_les_sciences/Themes_evoques/_Biographies/EUL

EULER Leonhard suisse, 1707-1783 Elève de Jean Bernoulli. Sans doute un des plus grands mathématiciens de tous les temps. Il s'installa à Saint Petersbourg auprès de Pierre Ier le Grand (en remplacement de Daniel Bernoulli) puis à Berlin (1741) sous le règne de Frédéric II. Vers la fin de sa vie, alors aveugle, il revint à Saint-Petersbourg invité par Catherine II. Son oeuvre est considérable. Euler intervint dans les trois domaines fondamentaux de la science de son époque : l'astronomie (orbites planétaires, trajectoires des comètes), les sciences physiques (champs magnétiques, hydrodynamique, optique, nature ondulatoire de la lumière,...), et les mathématiques, dans toutes ses branches, de l'arithmétique à la géométrie différentielle en passant par l'analyse numérique et fonctionnelle, le calcul des variations, les courbes et les surfaces algébriques, le calcul des probabilités et les premiers aspects de la théorie des graphes et de la topologie.

22. Leonhard Euler Leonhard euler leonhard Euler was born in Basle, Switzerland in 1707.He was the son of Paul Euler, a Calvinist pastor who wanted http://www.missouri.edu/~cst398/fermat/contents/euler.htm

Leonhard Euler Leonhard Euler was born in Basle, Switzerland in 1707. He was the son of Paul Euler, a Calvinist pastor who wanted his son to be a fine minister in his own right. As a result of his father's wishes, Euler began to study theology at the University of Basle. As we all know today, Euler is not known for his exploits in theology, and this fact is due primarily to Daniel and Nikolaus Bernoulli. The Bernoulli's had come to know Euler and his mathematical capabilities, and they requested that he be able to forego his theological studies and pursue mathematics. Euler was allowed to leave his current studies behind, and he eventually left to work for the rulers of Russia and Germany. While studying and calculating abroad, Euler compiled a long list of mathematical accomplishments and published more mathematical findings than any other mathematician had or has ever done. Also, Euler lost sight in his left eye at the age of twenty as a result of working on a complex calculation under extremely stressful circumstances. Eventually, he lost sight in his other eye at the age of sixty. Nevertheless, Euler still calculated. Much of Euler's work was influenced by his superiors (i.e. the Czars and Fredrick the Great of Germany), so a large portion of his mathematical accomplishments were based in solutions to practical problems. One of Euler's most noted accomplishments was developing an algorithm to chart the orbit of the moon. Sailors of the time could use the algorithm to get a very good estimate of where they were on the seas. It is also interesting to note that Euler developed this algorithm when he was completely blind.

23. Leonhard Euler (1707 - 1783) Search leonhard euler at Britannica.com for the Web's best sites, news and magazine articles, and related products. http://www.maths.tcd.ie/pub/HistMath/People/Euler/RouseBall/RB_Euler.html

Leonhard Euler (1707 - 1783) From `A Short Account of the History of Mathematics' (4th edition, 1908) by W. W. Rouse Ball. Leonhard Euler I think we may sum up Euler's work by saying that he created a good deal of analysis, and revised almost all the branches of pure mathematics which were then known, filling up the details, adding proofs, and arranging the whole in a consistent form. Such work is very important, and it is fortunate for science when it fall into hands as competent as those of Euler. Euler wrote an immense number of memoirs on all kinds of mathematical subjects. His chief works, in which many of the results of earlier memoirs are embodied, are as follows. In the first place, he wrote in 1748 his Introductio in Analysin Infinitorum , which was intended to serve as an introduction to pure analytical mathematics. This is divided into two parts. The first part of the Analysis Infinitorum contains the bulk of the matter which is to be found in modern text-books on algebra, theory of equations, and trigonometry. In the algebra he paid particular attention to the expansion of various functions in series, and to the summation of given series; and pointed out explicitly that an infinite series cannot be safely employed unless it is convergent. In the trigonometry, much of which is founded on F. C. Mayer's Arithmetic of Sines , which had been published in 1727, Euler developed the idea of John Bernoulli, that the subject was a branch of analysis and not a mere appendage of astronomy or geometry. he also introduced the trigonometrical functions, and shewed that the trigonometrical and exponential functions were connected by the relation

24. Euler Biography and Works of the Basle born mathematicien. http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Euler.html

Leonhard Euler Born: 15 April 1707 in Basel, Switzerland Died: 18 Sept 1783 in St Petersburg, Russia Click the picture above to see thirteen larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Leonhard Euler 's father was Paul Euler. Paul Euler had studied theology at the University of Basel and had attended Jacob Bernoulli 's lectures there. In fact Paul Euler and Johann Bernoulli had both lived in Jacob Bernoulli 's house while undergraduates at Basel. Paul Euler became a Protestant minister and married Margaret Brucker, the daughter of another Protestant minister. Their son Leonhard Euler was born in Basel, but the family moved to Riehen when he was one year old and it was in Riehen, not far from Basel, that Leonard was brought up. Paul Euler had, as we have mentioned, some mathematical training and he was able to teach his son elementary mathematics along with other subjects. Leonhard was sent to school in Basel and during this time he lived with his grandmother on his mother's side. This school was a rather poor one, by all accounts, and Euler learnt no mathematics at all from the school. However his interest in mathematics had certainly been sparked by his father's teaching, and he read mathematics texts on his own and took some private lessons. Euler's father wanted his son to follow him into the church and sent him to the University of Basel to prepare for the ministry. He entered the University in 1720, at the age of 14, first to obtain a general education before going on to more advanced studies.

25. Euler Take a look at an extensive biography of the man who calculated euler's Constant. Includes birth and death records, images, and his educational history. leonhard euler's father was Paul euler. Paul euler had studied theology at the University of Basel and had attended http://www-groups.dcs.st-andrews.ac.uk/~history/Mathematicians/Euler.html

Leonhard Euler Born: 15 April 1707 in Basel, Switzerland Died: 18 Sept 1783 in St Petersburg, Russia Click the picture above to see thirteen larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Leonhard Euler 's father was Paul Euler. Paul Euler had studied theology at the University of Basel and had attended Jacob Bernoulli 's lectures there. In fact Paul Euler and Johann Bernoulli had both lived in Jacob Bernoulli 's house while undergraduates at Basel. Paul Euler became a Protestant minister and married Margaret Brucker, the daughter of another Protestant minister. Their son Leonhard Euler was born in Basel, but the family moved to Riehen when he was one year old and it was in Riehen, not far from Basel, that Leonard was brought up. Paul Euler had, as we have mentioned, some mathematical training and he was able to teach his son elementary mathematics along with other subjects. Leonhard was sent to school in Basel and during this time he lived with his grandmother on his mother's side. This school was a rather poor one, by all accounts, and Euler learnt no mathematics at all from the school. However his interest in mathematics had certainly been sparked by his father's teaching, and he read mathematics texts on his own and took some private lessons. Euler's father wanted his son to follow him into the church and sent him to the University of Basel to prepare for the ministry. He entered the University in 1720, at the age of 14, first to obtain a general education before going on to more advanced studies.

26. 10.9. Euler, Leonard (1707-1783) IRA. leonhard euler was one of top mathematicians of the eighteenthcentury and the greatest mathematician to come out of Switzerland. http://www.shu.edu/projects/reals/history/euler.html

10.9. Euler, Leonard (1707-1783) IRA Leonhard Euler was one of top mathematicians of the eighteenth century and the greatest mathematician to come out of Switzerland. He made numerous contributions to almost every mathematics field and was the most prolific mathematics writer of all time. It was said that "Euler calculated without apparent effort, as men breathe...." He was dubbed "Analysis Incarnate" by his peers for his incredible ability. Leonhard Euler was born in Basel, Switzerland, on April 15, 1707. His father, a Calvinist pastor and former mathematician, planned the life of a clergyman for his son and originally Leonhard followed that path. He graduated from the University of Basel in 1724 where he studied theology and Hebrew. During his time at the school, however, he was privately tutored in mathematics by Johann Bernoulli. Johann was so impressed by his pupil's ability that he convinced Euler's father to allow Leonhard to become a mathematician. Euler took up a position at the Academy of Sciences in St. Petersburg, Russia, in 1727 and became the professor of mathematics six years later. During his stay, he was married and would over his lifetime have thirteen children, five of which would survive to adulthood. While in Russia, he lost sight in one eye after working day and night for three days to solve a problem. The question, which was a public contest, took all the other mathematicians involved months to figure out. He also discovered that the Czar's government was far from democratic as he was followed by secret police. He looked for a way out.

27. The Euler Project To help make available in English some of the works of the great Swiss mathematician leonhard euler (17071783). http://www.wcsu.ctstateu.edu/~Sandifer/EulerProject.htm

28. Euler, Leonhard (1707-1783) -- From Eric Weisstein's World Of Scientific Biograp euler, leonhard (17071783), Swiss mathematician who was tutored by Johann Bernoulli.He worked at the Petersburg Academy and Berlin Academy of Science. http://scienceworld.wolfram.com/biography/Euler.html

Branch of Science Mathematicians Nationality Swiss Euler, Leonhard (1707-1783) Swiss mathematician who was tutored by Johann Bernoulli . He worked at the Petersburg Academy and Berlin Academy of Science. He had a phenomenal memory, and once did a calculation in his head to settle an argument between students whose computations differed in the fiftieth decimal place. Euler lost sight in his right eye in 1735, and in his left eye in 1766. Nevertheless, aided by his phenomenal memory (and having practiced writing on a large slate when his sight was failing him), he continued to publish his results by dictating them. Euler was the most prolific mathematical writer of all times finding time (even with his 13 children) to publish over 800 papers in his lifetime. He won the Paris Academy Prize 12 times. When asked for an explanation why his memoirs flowed so easily in such huge quantities, Euler is reported to have replied that his pencil seemed to surpass him in intelligence. said of him "He calculated just as men breathe, as eagles sustain themselves in the air" (Beckmann 1971, p. 143; Boyer 1968, p. 482). Euler systematized mathematics by introducing the symbols e i , and f x ) for f a function of x . He also made major contributions in optics, mechanics, electricity, and magnetism. He made significant contributions to the study of differential equations. His

29. Euler, Leonhard. euler, leonhard. leonhard euler, b. Apr. 15, 1707, d. Sept. 18, 1783,was the most prolific mathematician in history. His 866 books http://euler.ciens.ucv.ve/English/mathematics/euler.html

Euler, Leonhard. In 1741, Euler joined the Berlin Academy of Science, where he remained for 25 years. In 1744 he became director of the academy's mathematics section. During his stay in Berlin, he wrote over 200 articles, three books on mathematical analysis, and a scientific popularization, Letters to a Princess of Germany (3 vols., 1768-72). In 1755 he was elected a foreign member of the Paris Academy of Science; during his career he received 12 of its prestigious biennial prizes. In 1766, Euler returned to Russia, after Catherine the Great had made him a generous offer. At the time, Euler had been having differences with Frederick the Great over academic freedom and other matters. Frederick was greatly angered at his departure and invited Lagrange to replace him. In Russia, Euler became almost entirely blind after a cataract operation, but was able to continue with his research and writing. He had a prodigious memory and was able to dictate treatises on optics, algebra, and lunar motion. At his death in 1783, he left a vast backlog of articles. The St. Petersburg Academy continued to publish them for nearly 50 more years. Author: R. Calinger

30. Euler, Leonhard. Translate this page euler, leonhard. leonhard euler, nacido en Abr. 15, 1707, muerto en Sept.18, 1783, fue el matemático más prolífico en la historia. http://euler.ciens.ucv.ve/matematicos/euler.html

Euler, Leonhard. En 1741 Euler se unió a la Academia de Ciencia de Berlín, donde permaneció por 25 años. En 1744 llegó a ser director de la sección de matemáticas de la academia. Durante su estancia en Berlín, escribió por encima de 200 artículos, tres libros en análisis matemático, y una divulgación científica, Cartas a una Princesa de Alemania (3 [vols]., 1768-72). En 1755 fue electo un miembro extranjero de la Academia de Ciencias de París; durante su carrera recibió 12 prestigiosos premios bienales. En 1766 Euler volvió a Rusia, después de hacerle Caterina la Grande una oferta generosa. Al su vez Euler había tenido diferencias con Federico el Grande por la libertad académica y otras materias. Federico de encolerizo grandemente a su partida e invitó a Lagrange para reemplazarlo. En Rusia Euler llegó a estar casi completamente ciego después de una operación de cataratas, pero aún así podía continuar con su investigación y escritura. Tenía una memoria prodigiosa y podía dictar tratados en óptica, álgebra, y movimiento lunar. A su muerte en 1783, dejó atrasados una vasta cantidad de artículos. La Academia de St. Petersburg continuó publicándolos por casi 50 años más. Autor: R. Calinger.

31. Euler, Leonhard encyclopediaEncyclopedia euler, leonhard, lA'ônhärt oi'lur PronunciationKey. euler, leonhard , 1707–83, Swiss mathematician. http://www.infoplease.com/ce5/CE017484.html

The # 1 wireless color security cam! Ultimate home movie ! Genuine Indian and Asian astrology reports and consultations by reputed Vedic Astrologers. Step-by-step guide to finding money for a growing business All Infoplease All Almanacs General Entertainment Sports Biographies Dictionary Encyclopedia Infoplease Home Almanacs Atlas Dictionary ... Fact Monster Kids' reference Info:Daily Fun facts Homework Center Newsletter You've got info! Help Site Map Visit related sites from: Family Education Network Encyclopedia Euler, Leonhard [l A u r] Pronunciation Key Euler, Leonhard , Swiss mathematician. Born and educated at Basel, where he knew the Bernoullis, he went to St. Petersburg (1727) at the invitation of Catherine I, becoming professor of mathematics there on the departure of Daniel Bernoulli (1733). He was invited to Berlin (1741) by Frederick the Great and remained there until 1766, when he returned to St. Petersburg. Euler was the most prolific mathematician who ever lived; his collected works run to more than seventy volumes. He contributed to numerous areas of both pure and applied mathematics, including the calculus of variations, analysis, number theory, algebra, geometry, trigonometry, analytical mechanics, hydrodynamics, and the lunar theory (calculation of the motion of the moon). Euler was one of the first to develop the methods of the calculus on a wide scale. Though half-blind for much of his life and totally blind for the last seventeen years, he retained to the end a near-legendary skill at calculation. Among his results are the differential equation named for him, the formula relating the number of faces, edges, and vertices of a polyhedron (

32. Euler, Leonhard peopleBiography—People—E euler, leonhard mathematician Birthplace Basel, SwitzerlandBorn 1707 Died 1783 Previous Euclid, Top of section E, Next Euripides. http://www.infoplease.com/ipa/A0156519.html

The # 1 wireless color security cam! Ultimate home movie ! Genuine Indian and Asian astrology reports and consultations by reputed Vedic Astrologers. Step-by-step guide to finding money for a growing business All Infoplease All Almanacs General Entertainment Sports Biographies Dictionary Encyclopedia Infoplease Home Almanacs Atlas Dictionary ... Fact Monster Kids' reference Info:Daily Fun facts Homework Center Newsletter You've got info! Help Site Map Visit related sites from: Family Education Network Biography People E Euler, Leonhard mathematician Birthplace: Basel, Switzerland Born: Died: Euclid E Euripides Search Infoplease Info search tips Search Biographies Bio search tips About Us Contact Us Link to Infoplease ... Privacy

33. Leonhard Euler Translate this page leonhard euler (1707 - 1783). Der schweizerische Mathematiker, Physikerund Astronom leonhard euler studierte ab 1720 in Basel Philosophie http://www.philosophenlexikon.de/euler.htm

Begriffe Abaelard - Ayer Baader - Byron Cabanis - Czezowski Ebbinghaus - Ewald ... Geschichte der Philosophie Diskussion PhilTalk Philosophieforen Andere Lexika PhilLex -Lexikon der Philosophie Lexikon der griechischen Mythologie PhiloThek Bibliothek der Klassiker Zeitschriftenlesesaal Nachschlagewerke Allgemeine Information ... Dokumentenlieferdienste Spiele Philosophisches Galgenraten PhilSearch.de Shops PhiloShop PhiloShirt Service Kontakt Impressum eMail Leonhard Euler (1707 - 1783) Der schweizerische Mathematiker, Physiker und Astronom Leonhard Euler studierte ab 1720 in Basel Philosophie und Theologie und zugleich bei J. Bernoulli Mathematik und Physik. 1741 wurde Euler an die Berliner Akademie der Wissenschaften berufen und wirkte dort ab 1744 als Direktor der mathematischen Klasse. Wegen unfreundlicher Behandlung durch Friedrich II. ging Euler 1760 wieder nach St. Petersburg. Descartes und Newton Leibniz und Wolff In seinen gibt Euler eine Gesamtdarstellung seiner philosophischen Ansichten. In den Briefen , die u. a. Goethe und Kant Eulersche Kreise bezeichnet wird und auf die bereits Leibniz hingewiesen hatte. Die Eulerschen Kreise wurden im 19. Jahrhundert u. a. von

34. Porträt - Euler Translate this page Porträt leonhard euler. Er wurde am 15.April 1707 in Basel geborenund starb am 18.September 1783 während er die Bahn des vor http://www.zahlenjagd.at/euler.html

Porträt: Leonhard Euler Er wurde am 15.April 1707 in Basel geboren und starb am 18.September 1783 während er die Bahn des vor kurzem aufgefunden Planeten Uranus berechnen wollte. "Euler rechnete so mühelos, wie andere Menschen atmen oder der Adler in den Lüften schwebt". Eulers Zeitgenossen nannten ihn die "fleischgewordene Analysis". Sogar die völlige Blindheit während der letzten siebzehn Jahre seines Lebens hemmte in keiner Weise seine unvergleichliche Produktivität; ja der Verlust des Augenlichtes schärfte vielleicht sogar noch seine innere Wahrnehmungskraft. Eulers Laufbahn begann 1727 im Todesjahr Newtons. Descartes hatte seine "Geometrie" vor 90 Jahren veröffentlicht. Die Universitäten beschäftigten sich im 18.Jahrhundert größtenteils mit Elementarunterricht. Die Mathematik galt wegen ihres Ursprunges in der Antike als ehrenhaft, doch die wesentlich jüngere Physik war noch nicht anerkannt. So blieben die königlichen Akademien, von großzügigen und weitsichtigen Herrschern eingerichtet, der Platz für die Forschungsarbeit. Friedrich der Große und Katharina von Rußland in Berlin und St.Petersburg boten Euler die materiellen Voraussetzungen für seine Arbeiten. Akademien von damals waren Forschungsstätten, die ihre führenden Mitglieder dafür bezahlten, daß sie wissenschaftliche Arbeiten leisteten. Gehälter waren so großzügig, daß eine Familie bequem davon leben konnte.

35. Euler, Leonhard euler, leonhard . http://episte.math.ntu.edu.tw/people/p_euler/

Euler, Leonhard ·j´M Euler¡]1707¡ã1783¡^¥Í©ó Basel¡A¨ò©ó¸t©¼±o³ù¡C·ç¤h¼Æ¾Ç®a¡A°^Äm¹M¤Î¼Æ¾Ç¦U»â°ì¡A¬O¼Æ¾Ç¥v¤W³Ì°¶¤jªº¼Æ¾Ç®a¤§¤@¡A¤]¬O³Ì¦h²£ªº¼Æ¾Ç®a¡C Euler ¥Í©ó¤½¤¸1707¦~4¤ë15¤é¡A¦ýÀH§Y¨ä®a®x´N·h¨ì Basel ªñ­¥ªº Riehen¡CEuler ªº¤÷¿Ë Paul Euler ¬O¤@¦W¥[º¸¤å±Ð¬£ªº±Ð®v¡A¦ý¥L¦b¤j¾Ç¨D¾Ç´Á¶¡»P John Bernoulli ªº­ô­ô Jacob Bernoulli ®a¦í¹L¨±q Jacob ¨­¤W¾Ç¤F¤£¤Ö¼Æ¾Ç¡C Euler¹ï©ó¼Æ¾Çªº°^Äm¬O¥þ­±©Êªº¡A±q¼Æ½×¨ì¤ÀªR¡AµL½×©â¶H©ÎÀ³¥Î¡A°ò¥»¤W§Ú­Ì¥i¥HºÙ¥L¬O¤@­Ó¦Ê¬ì¥þ®Ñ«¬ªº¼Æ¾Ç®a¡C ¬Û¹ï©ó¤û¹yªº¤º¦V¡B°hÁY¡B¯«¸g½è¡AEuler «h¬O¼ÖÆ[¥B¤¯·O¼e«p¡A¬Æ¦Ü¦b1771¦~²´·ú§¹¥þ½M±¼¡A¤´«O¦³¼ÖÆ[ªº©Ê®æ¡AÁöµM¦b´X¥G§¹¥þ¥¢©ú¤§¤U¡AEuler ¤´ÂǥѤf­zµ¹¥Lªº§U²z¡]¹ê»Ú¤W´N¬O¥Lªº¨à¤l Albert Euler¡^¡A ¨ÓÄ~Äò¥¼´¿°±·²ªº¼Æ¾Ç³Ð§@¡C¦b«á¨Óªº17¦~¶¡ Euler Ä~Äòµo®iµÛ¼Æ¾Ç¡A¦pªG»¡¦³¤°»ò¤£¦P¡A¨º´N¬O¥L¤ñ¥H«e§ó¦h²£¡C¥Lªº´¼¼z¨Ï¥L¥©§®¦a§â´¤¦UºØ·§©À©M·Qªk¦ÓµL»Ý±N¥¦­Ì®Ñ¼g¦b¯È¤W¡A¥L«D¤Zªº°O¾Ð¤O¡A¨Ï¥LªºÀY¸£¦³¦p¤@­Ó°ïº¡ª¾Ñªº¹Ï®ÑÀ]¡C Euler ¹ï©ó¼Æ¾Çªº°^Äm¡A§Ú­ÌµLªk¦b¦¹¤@¤@­Ó¼Æ¡A¨ä¤¤§Ú­Ó¤H²Ä¤@¦¸¹ï Euler ¦³²`¨è¦L¶H¬O Euler ¤½¦¡ ¡A «h¦³ Euler ¥»¤H«D±`³ß·R³o¤½¦¡¡A¨«ÅºÙ³o¬O³Ì¬üÄRªº¼Æ¾Ç¤½¦¡¡A­ì¦]¬O³o¦¡¤l¦³ 1¡B0 ¤À§O¬O­¼ªk¡B¥[ªk³o¨â­Ó°ò¥»¹Bºâ¨t²Îªº³æ¦ì¤¸¯À¡A ÁÙ¦³¤T­Ó¹Bºâ¤èªk¡A¥[ªk¡B­¼ªk»P¦¸¤è¡A¨â­Ó¯S§Oªº¶W¶V¼Æ¡G e »P¶ê©P²v £k¡A¦A¥[¤W i ³o­Óµê¼Æ³æ¦ì¡C ³o­Ó¤½¦¡«á¨Ó¤]¦¨¬° Lindermann Ò©ú £k ¬O¶W¶V¼Æªº¤u¨ã¡A±q¦¹¤]µ²§ô¤F¤Æ¶ê¬°¤èªº¬ü¹Ú¡C ´¶¥@©Ê¡B¹d²Óû¿ò¡B¨ú¤§¤£ºÉ¡B¥Î¤§¤£ºÜ¡C Read Euler, read Euler, he is the master of us all.

36. Leonhard Euler Translate this page Completa Biografía de leonhard euler su vida, su trabajo, su legado,con enlaces relacionados. leonhard euler. leonhard euler euler http://www.geocities.com/CollegePark/Plaza/4692/euler.htm

Leonhard Euler leonhard Euler Euler, Leonhard (1707-1783), matemático suizo, cuyos trabajos más importantes se centraron en el campo de las matemáticas puras, campo de estudio que ayudó a fundar. Euler nació en Basilea y estudió en la Universidad de Basilea con el matemático suizo Johann Bernoulli, licenciándose a los 16 años. En 1727, por invitación de la emperatriz de Rusia Catalina I, fue miembro del profesorado de la Academia de Ciencias de San Petersburgo. Fue nombrado catedrático de física en 1730 y de matemáticas en 1733. En 1741 fue profesor de matemáticas en la Academia de Ciencias de Berlín a petición del rey de Prusia, Federico el Grande. Euler regresó a San Petersburgo en 1766, donde permaneció hasta su muerte. Aunque obstaculizado por una pérdida parcial de visión antes de cumplir 30 años y por una ceguera casi total al final de su vida, Euler produjo numerosas obras matemáticas importantes, así como reseñas matemáticas y científicas. En su Introducción al análisis de los infinitos (1748), Euler realizó el primer tratamiento analítico completo del álgebra, la teoría de ecuaciones, la trigonometría y la geometría analítica. En esta obra trató el desarrollo de series de funciones y formuló la regla por la que sólo las series convergentes infinitas pueden ser evaluadas adecuadamente. También abordó las superficies tridimensionales y demostró que las secciones cónicas se representan mediante la ecuación general de segundo grado en dos dimensiones. Otras obras trataban del cálculo (incluido el cálculo de variaciones), la teoría de números, números imaginarios y álgebra determinada e indeterminada. Euler, aunque principalmente era matemático, realizó también aportaciones a la astronomía, la mecánica, la óptica y la acústica. Entre sus obras se encuentran Instituciones del cálculo diferencial (1755), Instituciones del cálculo integral (1768-1770) e Introducción al álgebra (1770).

37. Euler, Leonhard euler, leonhard (17071783) Born in Basel, Switzerland, leonhardeuler was the dominant mathematical figure of his century and http://occawlonline.pearsoned.com/bookbind/pubbooks/thomas_awl/chapter1/medialib

Euler, Leonhard (17071783) Born in Basel, Switzerland, Leonhard Euler was the dominant mathematical figure of his century and the most prolific mathematician who ever lived. He was also an astronomer, physicist, engineer, and chemist. He was the first scientist to give the function concept prominence in his work, thereby setting a strong foundation for the development of calculus and other areas of mathematics. Euler’s collected books and papers (over 870 articles and books) fill over 80 volumes. He made tremendous contributions to analytic geometry, trigonometry, calculus, and number theory. As a young man, Euler showed great promise as a mathematician although his father preferred that he study theology. Fortunately, Johann Bernoulli persuaded Euler's father to allow Euler to concentrate on mathematics. Euler graduated from the University of Basel, where his thesis compared the work of Descartes with that of Newton. Euler took a position in St. Petersburg and for a few years was a medic in the Russian navy. In 1733, he became the professor of mathematics at the St. Petersburg Academy of Sciences.

38. Euler, Leonhard (1707-1783) euler, leonhard (17071783). leonhard euler was one of top mathematicians of theeighteenth century and the greatest mathematician to come out of Switzerland. http://pirate.shu.edu/projects/reals/history/euler.html

Euler, Leonhard (1707-1783) Click here for pronunciation Leonhard Euler was one of top mathematicians of the eighteenth century and the greatest mathematician to come out of Switzerland. He made numerous contributions to almost every mathematics field and was the most prolific mathematics writer of all time. It was said that "Euler calculated without apparent effort, as men breathe...." He was dubbed "Analysis Incarnate" by his peers for his incredible ability. Leonhard Euler was born in Basel, Switzerland, on April 15, 1707. His father, a Calvinist pastor and former mathematician, planned the life of a clergyman for his son and originally Leonhard followed that path. He graduated from the University of Basel in 1724 where he studied theology and Hebrew. During his time at the school, however, he was privately tutored in mathematics by Johann Bernoulli. Johann was so impressed by his pupil's ability that he convinced Euler's father to allow Leonhard to become a mathematician. Euler took up a position at the Academy of Sciences in St. Petersburg, Russia, in 1727 and became the professor of mathematics six years later. During his stay, he was married and would over his lifetime have thirteen children, five of which would survive to adulthood. While in Russia, he lost sight in one eye after working day and night for three days to solve a problem. The question, which was a public contest, took all the other mathematicians involved months to figure out. He also discovered that the Czar's government was far from democratic as he was followed by secret police. He looked for a way out.

39. Euler, Leonhard. The Columbia Encyclopedia, Sixth Edition. 2001 2001. euler, leonhard. (l ´ônhärt oi´l r) (KEY) , 1707–83, Swiss mathematician.Born and educated at Basel, where he knew the Bernoullis, he went to St. http://www.bartleby.com/65/eu/Euler-Le.html

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40. Euler, Leonhard. The American Heritage® Dictionary Of The English Language: Fou euler, leonhard. The American Heritage® Dictionary of the English LanguageFourth Edition. 2000. 2000. euler, leonhard. SYLLABICATION Eu·ler. http://www.bartleby.com/61/71/E0237100.html

Select Search All Bartleby.com All Reference Columbia Encyclopedia World History Encyclopedia World Factbook Columbia Gazetteer American Heritage Coll. Dictionary Roget's Thesauri Roget's II: Thesaurus Roget's Int'l Thesaurus Quotations Bartlett's Quotations Columbia Quotations Simpson's Quotations English Usage Modern Usage American English Fowler's King's English Strunk's Style Mencken's Language Cambridge History The King James Bible Oxford Shakespeare Gray's Anatomy Farmer's Cookbook Post's Etiquette Bulfinch's Mythology Frazer's Golden Bough All Verse Anthologies Dickinson, E. Eliot, T.S. Frost, R. Hopkins, G.M. Keats, J. Lawrence, D.H. Masters, E.L. Sandburg, C. Sassoon, S. Whitman, W. Wordsworth, W. Yeats, W.B. All Nonfiction Harvard Classics American Essays Einstein's Relativity Grant, U.S. Roosevelt, T. Wells's History Presidential Inaugurals All Fiction Shelf of Fiction Ghost Stories Short Stories Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference American Heritage Dictionary eulachon ... BIBLIOGRAPHIC RECORD The American Heritage Dictionary of the English Language: Fourth Edition. Euler, Leonhard

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