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  2. Sigma - Wikipedia

    en.wikipedia.org/wiki/Sigma

    In Ὀδυσσεύς (Odysseus), for example, the two lowercase sigmas (σ) in the center of the name are distinct from the word-final sigma (ς) at the end. The Latin letter S derives from sigma while the Cyrillic letter Es derives from a lunate form of this letter.

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

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

    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.

  4. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    This is a list of letters of the Greek alphabet. 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.

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

    www.aol.com/news/teens-mean-sigma-210752971.html

    Sigma meaning (TODAY Illustration) Lindsay added, “So they have the ‘alpha’ which is the most successful, the best looking and then they have ‘sigma’ which is the same thing as an alpha ...

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

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

    Sigma males are “considered ‘equal’ to Alphas on the hierarchy but live outside of the hierarchy by choice,” reads the website. Urban Dictionary adds that sigma “is what all 10 year olds ...

  7. List of typographical symbols and punctuation marks

    en.wikipedia.org/wiki/List_of_typographical...

    The end of a sentence. ¶ Pilcrow: Paragraph mark, paragraph sign, paraph, alinea, or blind P: Section sign ('Silcrow') ⌑ Pillow (non-Unicode name) 'Pillow' is an informal nick-name for the 'Square lozenge' in the travel industry. The generic currency sign is superficially similar | Pipe (non-Unicode name) (Unicode name is "vertical bar ...

  8. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    Greek letters are used to denote the brighter stars within each of the eighty-eight constellations. In most constellations, the brightest star is designated Alpha and the next brightest Beta etc. For example, the brightest star in the constellation of Centaurus is known as Alpha Centauri. For historical reasons, the Greek designations of some ...

  9. List of Latin-script alphabets - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin-script_alphabets

    The lists and tables below summarize and compare the letter inventories of some of the Latin-script alphabets.In this article, the scope of the word "alphabet" is broadened to include letters with tone marks, and other diacritics used to represent a wide range of orthographic traditions, without regard to whether or how they are sequenced in their alphabet or the table.