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  2. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    The definition of a Greek letter for this list is a character encoded in the Unicode standard that a has script property of "Greek" and the general category of "Letter". An overview of the distribution of Greek letters is given in Greek script in Unicode .

  3. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    For this purpose, in addition to the 24 letters which by that time made up the standard alphabet, three otherwise obsolete letters were retained or revived: digamma Ϝ for 6, koppa Ϙ for 90, and a rare Ionian letter for [ss], today called sampi Ͳ , for 900. This system has remained in use in Greek up to the present day, although today it is ...

  4. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...

  5. Epsilon - Wikipedia

    en.wikipedia.org/wiki/Epsilon

    Epsilon (US: / ˈ ɛ p s ɪ l ɒ n /, [1] UK: / ɛ p ˈ s aɪ l ə n /; [2] uppercase Ε, lowercase ε or ϵ; Greek: έψιλον) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel IPA: or IPA:.

  6. Digamma - Wikipedia

    en.wikipedia.org/wiki/Digamma

    It literally means "double gamma" and is descriptive of the original letter's shape, which looked like a Γ (gamma) placed on top of another. Episemon The name episēmon was used for the numeral symbol during the Byzantine era and is still sometimes used today, either as a name specifically for digamma/stigma, or as a generic term for the whole ...

  7. Gamma - Wikipedia

    en.wikipedia.org/wiki/Gamma

    Gamma (/ ˈ ɡ æ m ə /; [1] uppercase Γ, lowercase γ; Greek: γάμμα, romanized: gámma) is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. In Ancient Greek , the letter gamma represented a voiced velar stop IPA: [ɡ] .

  8. Pi (letter) - Wikipedia

    en.wikipedia.org/wiki/Pi_(letter)

    Pi (/ˈpaɪ/; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι) is the sixteenth letter of the Greek alphabet, representing the voiceless bilabial plosive IPA:. In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter Pe ().

  9. Omega - Wikipedia

    en.wikipedia.org/wiki/Omega

    The letter omega is transliterated into a Latin-script alphabet as ō or simply o. As the final letter in the Greek alphabet, omega is often used to denote the last, the end, or the ultimate limit of a set , in contrast to alpha , the first letter of the Greek alphabet; see Alpha and Omega .