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There is a page named "Delambre's analogies" on Wikipedia

  • Thumbnail for Spherical trigonometry
    results to the polar triangle. The Delambre analogies (also called Gauss analogies) were published independently by Delambre, Gauss, and Mollweide in 1807–1809...
    39 KB (6,560 words) - 03:56, 5 June 2024
  • Thumbnail for Jean Baptiste Joseph Delambre
    Savants. Delambre was one of the first astronomers to derive astronomical equations from analytical formulas, was the author of Delambre's analogies and,...
    14 KB (1,488 words) - 08:52, 20 June 2024
  • Thumbnail for Great-circle navigation
    calculators and computers. For hand computations with logarithms, Delambre's analogies were usually used: cos ⁡ 1 2 ( α 2 + α 1 ) sin ⁡ 1 2 σ 12 = sin ⁡...
    22 KB (4,006 words) - 13:58, 28 April 2024
  • Thumbnail for Isaac Newton
    Retrieved 6 June 2020. Fred L. Wilson, History of Science: Newton citing: Delambre, M. "Notice sur la vie et les ouvrages de M. le comte J.L. Lagrange", Oeuvres...
    143 KB (14,678 words) - 08:29, 18 July 2024
  • characters to represent the units, tens, and hundreds. (Jean Baptiste Joseph Delambre's Astronomie Ancienne, t. ii.) This system appeared in the third century...
    137 KB (15,936 words) - 06:40, 2 July 2024
  • Thumbnail for Johannes Kepler
    Jean-Étienne Montucla's 1758 Histoire des mathématiques and Jean-Baptiste Delambre's 1821 Histoire de l'astronomie moderne. These and other histories written...
    102 KB (12,600 words) - 04:57, 12 July 2024
  • He was the first to ascend in an air balloon, 5 June 1783. A friend of Delambre and La Lalande, he was on the testimony of this last an atheist. Died 26...
    228 KB (28,257 words) - 22:31, 17 July 2024