• Thumbnail for Eratosthenes
    Eratosthenes of Cyrene (/ɛrəˈtɒsθəniːz/; Ancient Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was an Ancient Greek polymath: a mathematician...
    37 KB (4,095 words) - 07:12, 4 January 2025
  • Thumbnail for Sieve of Eratosthenes
    11 13 17 19 23 29 The sieve of Eratosthenes can be expressed in pseudocode, as follows: algorithm Sieve of Eratosthenes is input: an integer n > 1. output:...
    24 KB (3,043 words) - 12:21, 15 December 2024
  • Thumbnail for Eratosthenes (crater)
    Media related to Eratosthenes (crater) at Wikimedia Commons Eratosthenes at The Moon Wiki Lunar Orbiter 5 photos of Eratosthenes: frame 133, frame 134...
    14 KB (1,106 words) - 19:44, 24 May 2024
  • defending himself against the charge that he murdered Eratosthenes, after he supposedly caught Eratosthenes committing adultery with his wife. Euphiletos defends...
    9 KB (1,236 words) - 21:28, 12 September 2024
  • "Against Eratosthenes" (Speech 12). According to some critics he is also the subject of another of Lysias' speech, "On the Murder of Eratosthenes" (Speech...
    2 KB (234 words) - 17:01, 28 November 2024
  • Eratosthenes was a Greek scholar of the third century BC. It may also refer to: Eratosthenes (crater), a lunar impact crater named after him Eratosthenes...
    369 bytes (83 words) - 20:19, 11 June 2021
  • Thumbnail for Earth's circumference
    "Astronomy 101 Specials: Eratosthenes and the Size of the Earth". www.eg.bucknell.edu. Retrieved 19 December 2017. "How did Eratosthenes measure the circumference...
    21 KB (2,441 words) - 12:34, 31 December 2024
  • Eratosthenes to find upper or lower bounds on the number of primes within a given set of integers. Because it is a simple extension of Eratosthenes'...
    3 KB (645 words) - 10:43, 19 November 2024
  • Katasterismoi, "Constellations" or "Placings Among the Stars") is a lost work by Eratosthenes of Cyrene. It was a comprehensive compendium of astral mythology including...
    9 KB (820 words) - 14:46, 10 August 2024
  • Thumbnail for Eratosthenes Point
    Eratosthenes Point (Bulgarian: нос Ератостен, romanized: nos Eratosthenes, IPA: ['nɔs ɛrɐto'stɛn]) is the ice-covered, rock-tipped northwest entrance...
    3 KB (335 words) - 17:11, 1 November 2024
  • The Sieve of Eratosthenes is a 1999 sculpture by Mark di Suvero, installed on the Stanford University campus in Stanford, California. The artwork was added...
    4 KB (144 words) - 03:14, 4 November 2024
  • "Against Eratosthenes" is a speech by Lysias, one of the ten Attic orators. In the speech, Lysias accuses Eratosthenes, a member of the Thirty Tyrants...
    4 KB (559 words) - 11:10, 13 October 2023
  • Thumbnail for Eratosthenes Seamount
    The Eratosthenes Seamount or Eratosthenes Tablemount is a seamount in the Eastern Mediterranean, in the Levantine basin about 100 kilometres (60 mi) south...
    7 KB (684 words) - 12:09, 10 March 2024
  • Thumbnail for Hipparchus
    the geographer Eratosthenes of Cyrene (3rd century BC), called Pròs tèn Eratosthénous geographían ("Against the Geography of Eratosthenes"). It is known...
    85 KB (10,302 words) - 19:16, 4 January 2025
  • period. The developments of Greek geography during this time, notably by Eratosthenes and Posidonius culminated in the Roman era, with Ptolemy's world map...
    73 KB (8,659 words) - 20:51, 7 December 2024
  • was made by Lev Vasilevich Firsov, who compared 81 distances given by Eratosthenes and Strabo with the straight-line distances measured by modern methods...
    6 KB (533 words) - 12:15, 31 December 2024
  • Thumbnail for Geographic coordinate system
    invention of a geographic coordinate system is generally credited to Eratosthenes of Cyrene, who composed his now-lost Geography at the Library of Alexandria...
    23 KB (2,513 words) - 21:14, 4 January 2025
  • Thumbnail for Geography
    Origins of many of the concepts in geography can be traced to Greek Eratosthenes of Cyrene, who may have coined the term "geographia" (c. 276 BC – c. 195/194...
    94 KB (9,657 words) - 21:16, 12 December 2024
  • generated by a certain "sieve". This sieve is similar to the sieve of Eratosthenes that generates the primes, but it eliminates numbers based on their position...
    8 KB (787 words) - 10:47, 24 December 2024
  • for finding primes. There are many prime sieves. The simple sieve of Eratosthenes (250s BCE), the sieve of Sundaram (1934), the still faster but more complicated...
    8 KB (1,158 words) - 16:41, 12 November 2024
  • Thumbnail for Flat Earth
    Huainanzi, in the 2nd century BC, Chinese astronomers effectively inverted Eratosthenes' calculation of the curvature of the Earth to calculate the height of...
    76 KB (8,751 words) - 14:30, 28 December 2024
  • Thumbnail for Ariana
    geographer, Eratosthenes (c. 276 BC – c. 195 BC) and was fully described by the Greek geographer Strabo (64/63 BC – ca. AD 24). Per Eratosthenes' definition...
    17 KB (1,314 words) - 20:39, 17 December 2024
  • million years ago to 1,100 million years ago. It is named after the crater Eratosthenes, which displays characteristics typical of craters of this age, including...
    4 KB (186 words) - 19:43, 23 December 2024
  • Thumbnail for Earth radius
    by Eratosthenes in about 240 BC. Estimates of the error of Eratosthenes's measurement range from 0.5% to 17%. For both Aristotle and Eratosthenes, uncertainty...
    42 KB (4,388 words) - 06:37, 3 January 2025
  • Thumbnail for Zeus
    181–2 [= Eratosthenes, Catasterismi 13 (Hard 2015, p. 44; Olivieri, p. 17)]; Musaeus apud Hyginus, De Astronomica 2.13.6. According to Eratosthenes, Musaeus...
    202 KB (17,297 words) - 11:20, 2 January 2025
  • years to extend the first table in order to simplify "Eratosthenes Crivello" (sieve of Eratosthenes), a method from ancient Greece to find prime numbers...
    2 KB (293 words) - 10:09, 3 December 2024
  • Thumbnail for Diameter
    non-spherical objectPages displaying short descriptions of redirect targets Eratosthenes, who calculated the diameter of the Earth around 240 BC. Hydraulic diameter –...
    6 KB (670 words) - 02:58, 31 December 2024
  • Thumbnail for Prime number
    number from a Mersenne prime. Another Greek invention, the Sieve of Eratosthenes, is still used to construct lists of primes. Around 1000 AD, the Islamic...
    117 KB (14,201 words) - 06:24, 4 January 2025
  • numbers up to a specified integer. Compared with the ancient sieve of Eratosthenes, which marks off multiples of primes, the sieve of Atkin does some preliminary...
    14 KB (1,992 words) - 18:42, 23 November 2024
  • Thumbnail for Asia
    ποταμός; c.f. Duane W. Roller, Eratosthenes' Geography, Princeton University Press, 2010, ISBN 978-0-691-14267-8, Eratosthenes (24 January 2010). p. 57. Princeton...
    136 KB (12,292 words) - 01:43, 31 December 2024