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  2. Hipparchus - Wikipedia

    en.wikipedia.org/wiki/Hipparchus

    Download as PDF; Printable version; ... Besides geometry, Hipparchus also used arithmetic techniques ... In the second book, Hipparchus starts from the opposite ...

  3. On Sizes and Distances (Hipparchus) - Wikipedia

    en.wikipedia.org/wiki/On_Sizes_and_Distances...

    On Sizes and Distances (of the Sun and Moon) (Greek: Περὶ μεγεθῶν καὶ ἀποστημάτων [ἡλίου καὶ σελήνης], romanized: Peri megethon kai apostematon) is a text by the ancient Greek astronomer Hipparchus (c. 190 – c. 120 BC) in which approximations are made for the radii of the Sun and the Moon as well as their distances from the Earth.

  4. Theodosius of Bithynia - Wikipedia

    en.wikipedia.org/wiki/Theodosius_of_Bithynia

    Theodosius of Bithynia (Ancient Greek: Θεοδόσιος Theodosios; 2nd–1st century BC) was a Hellenistic astronomer and mathematician from Bithynia who wrote the Spherics, a treatise about spherical geometry, as well as several other books on mathematics and astronomy, of which two survive, On Habitations and On Days and Nights.

  5. A History of Greek Mathematics - Wikipedia

    en.wikipedia.org/wiki/A_History_of_Greek_Mathematics

    IV. The earliest Greek geometry V. Pythagorean geometry VI. Progress in the Elements down to Plato's time ("the formative stage in which proofs were discovered and the logical bases of the science were beginning to be sought" [6]) VII. Special problems ("three famous problems" of antiquity [6]) VIII. Zeno of Elea IX. Plato X.

  6. Gerald J. Toomer - Wikipedia

    en.wikipedia.org/wiki/Gerald_J._Toomer

    Gerald James Toomer (born 23 November 1934) is a historian of astronomy and mathematics who has written numerous books and papers on ancient Greek and medieval Islamic astronomy. In particular, he translated Ptolemy 's Almagest into English.

  7. Theodosius' Spherics - Wikipedia

    en.wikipedia.org/wiki/Theodosius'_Spherics

    Book I and the first half of Book II establish basic geometric constructions needed for spherical geometry using the tools of Euclidean solid geometry, while the second half of Book II and Book III contain propositions relevant to astronomy as modeled by the celestial sphere.

  8. November retail sales top Wall Street's expectations

    www.aol.com/finance/november-retail-sales-top...

    Watercolor artist pays homage to South Carolina's picturesque coast in new book. News. News. Associated Press. The FBI says the man responsible for New Year's truck attack visited New Orleans twic

  9. Hippocrates of Chios - Wikipedia

    en.wikipedia.org/wiki/Hippocrates_of_Chios

    The major accomplishment of Hippocrates is that he was the first to write a systematically organized geometry textbook, called Elements (Στοιχεῖα, Stoicheia), that is, basic theorems, or building blocks of mathematical theory. From then on, mathematicians from all over the ancient world could, at least in principle, build on a common ...