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  2. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    The Greek alphabet has been used to write the Greek language since ... gimel became alpha, beta, gamma. ... capital sigma (Σ) for summation, and lower case sigma

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

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

    The Bayer designation naming scheme for stars typically uses the first Greek letter, α, for the brightest star in each constellation, and runs through the alphabet before switching to Latin letters. In mathematical finance , the Greeks are the variables denoted by Greek letters used to describe the risk of certain investments.

  4. Sigma - Wikipedia

    en.wikipedia.org/wiki/Sigma

    Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals , it has a value of 200.

  5. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    Alpha with grave and rough breathing: Archaic letter denoting the presence of /h/ prior to the vowel, with a normal or low pitch Ἇἇ: Alpha with circumflex and rough breathing: Archaic letter denoting the presence of /h/ prior to the vowel, with a high or falling pitch Ᾱᾱ: Alpha with macron: Archaic letter denoting a long vowel Ᾰᾰ ...

  6. What do teens mean when they say ‘sigma’? - AOL

    www.aol.com/news/teens-mean-sigma-000158935.html

    Some know “sigma” as the 18th letter of the Greek alphabet but it’s also ... “Kids use Alpha and Sigma interchangeably ... (technically) the definition.” Lindsay clarifies, “Beta is an ...

  7. History of the Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Greek_alphabet

    This Euclidean alphabet included eta and omega, which concluded the process of adapting the Phoenician script so that all vowels could be written systematically, thus becoming the first 'true' alphabet. [14]

  8. Skibidi, gyatt and Ohio: Learn the meaning, origin behind Gen ...

    www.aol.com/skibidi-gyatt-ohio-learn-meaning...

    McCrindle claims to have chosen "alpha" for the new generation as it is the first letter of the Greek alphabet. Skibidi, gyatt and Ohio, some of the words used by Generation Alpha, those born ...

  9. Archaic Greek alphabets - Wikipedia

    en.wikipedia.org/wiki/Archaic_Greek_alphabets

    The Euboean alphabet was used in the cities of Eretria and Chalcis and in related colonies in southern Italy, notably in Cumae, Pithecusae and Rhegion. It was through this variant that the Greek alphabet was transmitted to Italy, where it gave rise to the Old Italic alphabets, including Etruscan and ultimately the Latin alphabet. Some of the ...