21. Leonhard Euler --  Encyclopædia Britannica Cite this article. leonhard euler. born April 15, 1707, Basel, Switz. MLA style " leonhard euler." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. http://www.britannica.com/eb/article?eu=33800

22. 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

23. MSN Encarta - Euler, Leonhard Search Barnes Noble.com for books about euler, leonhard. News. Search MSNBC for news about euler euler, leonhard ( 17071783), Swiss mathematician, whose major work was done in http://encarta.msn.com/encyclopedia_761556057/Euler_Leonhard.html

MSN Home My MSN Hotmail Shopping ... Money Web Search: logoImg('http://sc.msn.com'); Encarta Subscriber Sign In Help Home ... Upgrade to Encarta Premium Search Encarta Tasks Find in this article Print Preview Send us feedback Related Items experiments with sound K¶nigsberg bridge problem more... Magazines Search the Encarta Magazine Center for magazine and news articles about this topic Further Reading Euler, Leonhard News Search MSNBC for news about Euler, Leonhard Internet Search Search Encarta about Euler, Leonhard Search MSN for Web sites about Euler, Leonhard Also on Encarta Have sports records become unbreakable? Compare top online degrees Democrats vs. Republicans: What's the difference? Also on MSN Outdoor BBQ: Everything you need Quest for Columbus on Discovery Channel Switch to MSN in 3 easy steps Our Partners Capella University: Online degrees LearnitToday: Computer courses CollegeBound Network: ReadySetGo Kaplan Test Prep and Admissions Encyclopedia Article from Encarta Advertisement document.write(''); Euler, Leonhard Multimedia 1 item Euler, Leonhard

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 fourteen 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. 10.9. Euler, Leonard (1707-1783) leonhard euler was one of top mathematicians of the eighteenth century and the greatest mathematician to come out of leonhard euler was born in Basel, Switzerland, on April 15, 1707 http://www.shu.edu/html/teaching/math/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.

26. 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. 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

The Euler Project The Euler Project means to help make available in English some of the works of the great Swiss mathematician Leonhard Euler (1707-1783) Address e-mail regarding this page and your requests for works to be translated to Ed Sandifer, esandifer@earthlink.net About the Euler project Last modified April 29, 2002 New ! Le Jeu de rencontre , newly translated by Geoff Burke. Euler's second recreational maths paper (the first was the Konigsburg Bridges) is about a card game like some people now call "Coincidences". Summaries of Euler's mathematical work General summaries of the work contained in the volumes of the Opera Omnia, series I. Euler ProjectTranslations of particular works Series an article related to the Riemann Zeta function: beau rapport an article containing a minor abuse of a divergent series Fooling with Divergent Series Probability Richard Pulskamp's translations and commentary on some of Euler's work in probability Le Jeu de rencontre , newly translated by Geoff Burke. Euler's second recreational maths paper (the first was the Konigsburg Bridges) is about a card game like some people now call "Coincidences".

28. Euler Biography of leonhard euler (17071783) leonhard euler's father was Paul euler. Paul euler had studied theology at the University of Basel and had Their son leonhard euler was born in Basel http://www-groups.dcs.st-and.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 fourteen 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.

29. Euler, Leonhard euler, leonhard (17071783). Born in Basel, Switzerland, leonhard euler 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.

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

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips 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 (

31. Euler, Leonhard Search Biographies Bio search tips euler, leonhard lA'ônhärt oi'lur Pronunciation Key. euler, leonhard , 170783, Swiss mathematician http://www.infoplease.com/ce6/people/A0817838.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips 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, Switzerland Born 1707 Died 1783 Previous Euclid, Top of section E, Next Euripides. http://www.infoplease.com/ipa/A0156519.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Biography People E Euler, Leonhard mathematician Birthplace: Basel, Switzerland Born: Died: Euclid E Euripides About ... Privacy Related sites:

33. Leonhard Euler --  Britannica Student Encyclopedia euler, leonhard Britannica Student Encyclopedia. , euler, leonhard Swiss mathematician and physicist, one of the founders of pure mathematics. http://www.britannica.com/ebi/article?eu=296097&query=leonhard euler&ct=ebi

34. LEONHARD EULER leonhard euler. leonhard euler (17071783) was arguably the greatest mathematician of the eighteenth exceeded only by Paul Erdös. euler's complete works fill about 90 volumes http://www.nadn.navy.mil/Users/math/meh/euler.html

Leonhard Euler Leonhard Euler (1707-1783) was arguably the greatest mathematician of the eighteenth century (His closest competitor for that title is Lagrange) and one of the most prolific of all time; his publication list of 886 papers and books may be exceeded only by . Euler's complete works fill about 90 volumes. Remarkably, much of this output dates from the the last two decades of his life, when he was totally blind. Though born and educated in Basel, Switzerland, Euler spent most of his career in St. Petersburg and Berlin. He joined the St. Petersburg Academy of Sciences in 1727. In 1741 he went to Berlin at the invitation of Frederick the Great, but he and Frederick never got on well and in 1766 he returned to St. Petersburg, where he remained until his death. Euler's prolific output caused a tremendous problem of backlog: the St. Petersburg Academy continued publishing his work posthumously for more than 30 years. Euler married twice and had 13 children, though all but five of them died young. Euler's powers of memory and concentration were legendary. He could recite the entire

35. 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

36. Escuela De Matemáticas - UCV 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

Los Matemáticos más famosos de todos los Tiempos: Niels Henrik Abel Arquímedes Banach, Stefan Bessel, Friedrich ... 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.

37. Leonhard Euler Translate this page leonhard euler. 15.4.1707 - 18.9.1783, St.Petersburg. Er wurde am 15. April 1707 in Basel geboren und starb am 18. September 1783 http://www.mathematik.ch/mathematiker/euler.php

Home Geschichte Mathematiker Zitate ... Suche Leonhard Euler 15.4.1707 - 18.9.1783, St.Petersburg 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.

38. Biografía De Euler Translate this page protegidos suizos, pero el matemático más destacado que produjo Suiza durante esta época (o en cualquier otra de la historia) fue leonhard euler (1707-1783 http://thales.cica.es/rd/Recursos/rd97/Biografias/28-2-B-E.html

Biografía de Euler Suiza: centro matemático A finales del siglo XVII y a principios del XVIII, Suiza fue el lugar de nacimiento de muchas de las figuras más importantes de la matemática de la época. Se puede mencionar la obra del clan de los Bernoulli, así como la de Hermann, uno de sus protegidos suizos, pero el matemático más destacado que produjo Suiza durante esta época (o en cualquier otra de la historia) fue Leonhard Euler (1707-1783), que nació en Basilea. El padre de Euler era un pastor calvinista que, lo mismo que el padre de Jacques Bernoulli, esperaba que su hijo siguiera también el camino del sagrado misterio. El muchacho, sin embargo estudió con Jean Bernoulli junto a sus hijos Nicolás y Daniel, y en este ambiente favorable descubrió su vocación. El viejo Euler también tenía una buena preparación matemática, habiendo sido discípulo de Jacques Bernoulli en su juventud, y colaboró en la instrucción de su hijo en los elementos básicos de la matemática, a pesar de mantener la esperanza de que Leonhard siguiese una carrera teológica. En cualquier caso, el joven Euler recibió una educación muy completa, ya que al estudio de la matemática se unió el de la teología, la medicina, la astronomía, la física y las lenguas orientales. Terminó brillantemente la Universidad, obtuvo el grado científico de maestro, pero no pudo encontrar trabajo, al no lograr una plaza de profesor vacante en Basilea. Primera estancia en San Petersburgo Sin embargo, la amplitud de conocimientos adquiridos le resultó muy útil cuando en 1727 recibió una invitación para trabajar en la Academia de Ciencias de San Petersburgo en Rusia, donde se encontraban desde dos años antes, trabajando como profesores de matemáticas, los hermanos Nicolás y Daniel Bernoulli. Esta importante institución había sido fundada en el año 1725 por Catalina I, siguiendo las líneas trazadas por su difunto esposo Pedro el Grande, aconsejado por Leibniz. Fue la primera institución científica de Rusia. Para llevar a cabo el trabajo y la preparación de los especialistas del país fueron invitados de otros países jóvenes y talentosos profesores, como los ya mencionados hermanos Bernoulli, J. Hermann que había sido antes profesor en Padua y después en Frankfurt del Oder. Finalmente llegó Euler.

39. Euler, Leonhard (1707-1783), Matemático Suizo, Cuyos Trabajos Más Importantes Translate this page euler, leonhard (1707-1783), matemático suizo, cuyos trabajos más importantes se centraron en el campo de las matemáticas puras, campo de estudio que ayudó http://thales.cica.es/rd/Recursos/rd98/Matematicas/09/euler.html

Euler, Leonhard

40. BIOGRAFÍAS: Euler, Leonhard Translate this page Biografías. euler, leonhard. matemático suizo (1707-83), nacido en Basilea, San Petesburgo, y considerado el mejor de su época. http://www.iespana.es/natureduca/biog_euler.htm

Biografías Euler, Leonhard matemático suizo (1707-83), nacido en Basilea, San Petesburgo, y considerado el mejor de su época. Inventó el sistema de funciones que llevan su nombre. Perfeccionó todas las ramas de la matemática pura el análisis, sobre todo, y realizó trabajos excelentes en las partes más diversas de la matemática aplicada. En aritmética y teoría de los números, su máxima contribución se refiere a la teoría de los números primos, iniciando la teoría analítica que se desarrolló un siglo más tarde. En álgebra se ocupó de la eliminación, descomposición en fracciones simples, teoría de ecuaciones, etc. Pretendiendo dar un método general para resolver ecuaciones de cualquier grado, ideó un procedimiento válido hasta las de cuarto grado inclusive. Pero el trabajo más original de Euler se desarrolla en el cálculo infinitesimal. A los veinte años consiguió el primero de los doce premios que, con el tiempo, había de concederle la Academia Francesa y, por invitación de Catalina I de Rusia, se incorporó a la Academia de San Petersburgo merced a la gestión de los Bernoulli, instalados allí desde 1725. En 1733 sucedió a Daniel Bernoulli al frente de la sección de matemáticas de dicha Academia, y al año siguiente contrajo matrimonio con la hija de un pintor suizo que Pedro el Grande había traído a Rusia. En 1741, invitado por Federico II el Grande, se trasladó a la Academia de Berlín, al frente de la cual sucedió a Maupertuis en 1756, como presidente en funciones. En 1766 aceptó una oferta de Catalina la Grande para reincorporarse a San Petersburgo. Ese mismo año quedó ciego a causa de una afección de cataratas, tras haber perdido ya la visión del ojo derecho en 1735.

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