• Thumbnail for Acorn Archimedes
    The Acorn Archimedes is a family of personal computers designed by Acorn Computers of Cambridge, England. The systems in this family use Acorn's own ARM...
    275 KB (30,255 words) - 20:35, 14 September 2024
  • surviving works of the ancient Greek polymath Archimedes. The Method takes the form of a letter from Archimedes to Eratosthenes, the chief librarian at the...
    17 KB (2,834 words) - 18:31, 23 June 2024
  • Thumbnail for Ellipsograph
    trammel Trammel of Archimedes with three sliders Let C be the outer end of the rod, and A, B be the pivots of the sliders. Let AB and BC be the distances...
    7 KB (875 words) - 23:49, 10 July 2024
  • Thumbnail for Twin circles
    of Archimedes. Cambridge University Press. Proposition 5 in the Book of Lemmas. Quote: "Let AB be the diameter of a semicircle, C any point on AB, and...
    5 KB (652 words) - 09:33, 18 April 2022
  • Thumbnail for Arbelos
    of Archimedes. Cambridge University Press. Proposition 4 in the Book of Lemmas. Quote: If AB be the diameter of a semicircle and N any point on AB, and...
    10 KB (1,047 words) - 01:27, 10 January 2024
  • a and A, that passes through A and does not intersect a. Axiom of Archimedes: If AB and CD are any segments then there exists a number n such that n segments...
    16 KB (2,313 words) - 15:51, 24 September 2024
  • to 3.14159. One method of deriving this formula, which originated with Archimedes, involves viewing the circle as the limit of a sequence of regular polygons...
    37 KB (5,880 words) - 19:59, 14 September 2024
  • Thumbnail for Salinon
    Salinon (category Archimedes)
    attributed to Archimedes. Let A, D, E, and B be four points on a line in the plane, in that order, with AD = EB. Let O be the bisector of segment AB (and of...
    3 KB (295 words) - 13:19, 25 September 2023
  • Thumbnail for Archimedes' quadruplets
    In geometry, Archimedes' quadruplets are four congruent circles associated with an arbelos. Introduced by Frank Power in the summer of 1998, each have...
    4 KB (515 words) - 15:37, 22 October 2022
  • Thumbnail for Archimedean circle
    circle constructed from an arbelos that has the same radius as each of Archimedes' twin circles. If the arbelos is normed such that the diameter of its...
    4 KB (483 words) - 22:18, 6 August 2024