• Thumbnail for Johann Euler
    Johann Albrecht Euler (27 November 1734 – 17 September 1800) was a Swiss-Russian astronomer and mathematician. Also known as Johann Albert Euler or John-Albert...
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  • Thumbnail for Leonhard Euler
    given by Johann Bernoulli, the younger brother of the deceased Jacob Bernoulli (who had taught Euler's father). Johann Bernoulli and Euler soon got to...
    103 KB (10,352 words) - 20:00, 30 October 2024
  • Thumbnail for Anders Johan Lexell
    me". Daniel Bernoulli also praised his work, writing in a letter to Johann Euler "I like Lexell's works, they are profound and interesting, and the value...
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  • Thumbnail for Euler's formula
    Euler's formula, named after Leonhard Euler, is a mathematical formula in complex analysis that establishes the fundamental relationship between the trigonometric...
    26 KB (3,851 words) - 07:05, 26 September 2024
  • Thumbnail for Euler's identity
    Euler's identity (also known as Euler's equation) is the equality e i π + 1 = 0 {\displaystyle e^{i\pi }+1=0} where e {\displaystyle e} is Euler's number...
    15 KB (1,962 words) - 18:01, 17 October 2024
  • Thumbnail for Johann Bernoulli
    contributions to infinitesimal calculus and educating Leonhard Euler in the pupil's youth. Johann was born in Basel, the son of Nicolaus Bernoulli, an apothecary...
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  • Thumbnail for Euler's constant
    computations were done by Johann von Soldner in 1809, who used the notation H. The notation γ appears nowhere in the writings of either Euler or Mascheroni, and...
    70 KB (9,359 words) - 17:00, 1 November 2024
  • Thumbnail for Euler diagram
    abstractions of logic" was not Euler (1707–1783) but rather Weise (1642–1708); however the latter book was actually written by Johann Christian Lange, rather...
    37 KB (3,603 words) - 13:19, 14 September 2024
  • ornithologist Hans Heinrich Euler (1901–1941), German physicist Johann Euler (1734–1800), Swiss-Russian astronomer and mathematician Ulf von Euler (1905–1983), Swedish...
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  • Thumbnail for Venn diagram
    was unpublished), as did Johann Christian Lange in a work from 1712 describing Christian Weise's contributions to logic. Euler diagrams, which are similar...
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  • Paper Bag Players Katharina Gsell (1707–1773), wife of Leonhard Euler, mother of Johann Euler, and daughter of Georg Gsell Lucien Laurent-Gsell (died 1944)...
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  • In classical mechanics, Euler's rotation equations are a vectorial quasilinear first-order ordinary differential equation describing the rotation of a...
    9 KB (1,476 words) - 04:04, 2 November 2024
  • Thumbnail for 1755
    true causes of electricity including their theory" to Switzerland's Johann Euler for his paper Disquisitio de causa physica electricitatis. September...
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  • Thumbnail for Wenceslaus Johann Gustav Karsten
    situation was not as wished, and in 1763 Karsten wrote to Johann Euler, a son of Leonhard Euler, that he would like to become a lecturer in Saint Petersburg...
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  • Thumbnail for Proof that e is irrational
    Bernoulli in 1683. More than half a century later, Euler, who had been a student of Jacob's younger brother Johann, proved that e is irrational; that is, that...
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  • Thumbnail for Johann Andreas Segner
    Johann Andreas von Segner (Hungarian: Segner János András, German: Johann Andreas von Segner, Slovak: Ján Andrej Segner, Latin: Iohannes Andreas de Segner;...
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  • Grigory Orlov, Russian noble Nikolai Vasilyevich Repnin, Russian statesman Johann Euler, Swiss-Russian mathematician Gavriil Golovkin, Russian statesman Wills...
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  • Thumbnail for Johann Heinrich Lambert
    the eighteenth century: Euler, Lagrange and Lambert. Cham: Springer. ISBN 978-3-031-09569-6. Eisenring, Max E. (Nov 1941). Johann Heinrich Lambert und die...
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  • Thumbnail for Daniel Bernoulli
    the idea to explain Boyle's law. He worked with Euler on elasticity and the development of the Euler–Bernoulli beam equation. Bernoulli's principle is...
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  • motion. They were formulated by Leonhard Euler about 50 years after Isaac Newton formulated his laws. Euler's first law states that the rate of change...
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  • electricity including their theory"; the prize will be won in 1755 by Johann Euler. February 17 – The concept of electrical telegraphy is first published...
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  • Thumbnail for List of people from Saint Petersburg
    (1728–1803), diplomat, art agent, author, volcanologist and mineralogist Johann Euler (1734–1800), Swiss-Russian astronomer and mathematician John Julius Angerstein...
    48 KB (5,860 words) - 04:35, 29 October 2024
  • Thumbnail for Johann Friedrich Hennert
    at the University of Utrecht. He was a significant student of Leonhard Euler. He was known for his inclination towards the British school of philosophy...
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  • The Euler pump and turbine equations are the most fundamental equations in the field of turbomachinery. These equations govern the power, efficiencies...
    5 KB (780 words) - 12:06, 6 April 2024
  • Thumbnail for Johann Albert Eytelwein
    belts and examined the forces involved, developing on the theory of Euler. The Euler-Eytelwein Formula, also known as the capstan equation was one of the...
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  • Thumbnail for 1750s
    true causes of electricity including their theory" to Switzerland's Johann Euler for his paper Disquisitio de causa physica electricitatis. September...
    3 KB (17,595 words) - 12:07, 16 February 2024
  • Erdős–Borwein constant Euler–Mascheroni constant ( γ {\displaystyle \gamma } ) – Leonhard Euler and Lorenzo Mascheroni Euler's number ( e {\displaystyle...
    5 KB (500 words) - 23:13, 7 October 2024
  • Thumbnail for Elements of Algebra
    алгебраического вычисления. – СПб. : Имп. АН, 1768. – 8, 376 c. Euler, Leonhard; Joseph-Louis, Lagrange; Johann, Bernoulli (1771). "Vollständige Anleitung zur Algebra"...
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  • Thumbnail for Encyclopedia of Yverdon
    on botany and natural history. Johann Heinrich Samuel Formey Henri-Sébastien Dupuy de Bordes Leonhard Euler Johann Euler André Ferry Hieronymus David Gaubius...
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  • Thumbnail for Christian Goldbach
    mathematicians like Leonhard Euler, Daniel Bernoulli, Johann Bernoulli, and Jean le Rond d'Alembert. Goldbach also played a part in Euler's decision to academically...
    12 KB (1,200 words) - 15:00, 19 September 2024