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  2. Greek numerals - Wikipedia

    en.wikipedia.org/wiki/Greek_numerals

    The first line contains the number " ͵θϡϟϛ δʹ ϛʹ ", i.e. " 9,996 + 1⁄4 + 1⁄6 ". It features each of the special numeral symbols sampi (ϡ), koppa (ϟ), and stigma (ϛ) in their minuscule forms. Greek numerals are decimal, based on powers of 10. The units from 1 to 9 are assigned to the first nine letters of the old Ionic alphabet ...

  3. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    This writing system, unrelated to the Greek alphabet, last appeared in the thirteenth century BC. In the late ninth century BC or early eighth century BC, the Greek alphabet emerged. [2] The period between the use of the two writing systems, during which no Greek texts are attested, is known as the Greek Dark Ages.

  4. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    t. e. Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.

  5. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    Eta with acute and smooth breathing. Archaic letter denoting the absence of /h/ prior to the vowel, with a high pitch on a short vowel or rising pitch on a long vowel. Ἢἢ. Eta with grave and smooth breathing. Archaic letter denoting the absence of /h/ prior to the vowel, with a normal or low pitch. Ἦἦ.

  6. Archaic Greek alphabets - Wikipedia

    en.wikipedia.org/wiki/Archaic_Greek_alphabets

    Greek alphabet. Many local variants of the Greek alphabet were employed in ancient Greece during the archaic and early classical periods, until around 400 BC, when they were replaced by the classical 24-letter alphabet that is the standard today. All forms of the Greek alphabet were originally based on the shared inventory of the 22 symbols of ...

  7. List of Egyptian hieroglyphs - Wikipedia

    en.wikipedia.org/wiki/List_of_Egyptian_hieroglyphs

    The total number of distinct Egyptian hieroglyphs increased over time from several hundred in the Middle Kingdom to several thousand during the Ptolemaic Kingdom. In 1928/1929 Alan Gardiner published an overview of hieroglyphs, Gardiner's sign list, the basic modern standard. It describes 763 signs in 26 categories (A–Z, roughly).

  8. Epsilon - Wikipedia

    en.wikipedia.org/wiki/Epsilon

    In astronomy, it stands for the fifth-brightest star in a constellation (see Bayer designation). Epsilon is the name for the most distant and most visible ring of Uranus. In planetary science, ε denotes the axial tilt. In chemistry, it represents the molar extinction coefficient of a chromophore.

  9. List of Latin-script letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin-script_letters

    A with line below and grave: Kiowa Á̱ á̱: A with line below and acute: Kiowa, Seneca Â̱ â̱: A with line below and circumflex: Kiowa Ã̱ ã̱: A with line below and tilde: Nambikwara, Ticuna: Ā̱ ā̱: A with line below and macron: Kiowa Ā̱̀ ā̱̀: A with line below, macron, and grave: Kiowa Ā̱́ ā̱́: A with line below, macron ...