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  2. Upsilon - Wikipedia

    en.wikipedia.org/wiki/Upsilon

    Upsilon is known as Pythagoras' letter, or the Samian letter, because Pythagoras used it as an emblem of the path of virtue or vice. [13] As the Roman writer Persius wrote in Satire III : and the letter which spreads out into Pythagorean branches has pointed out to you the steep path which rises on the right.

  3. Ʊ - Wikipedia

    en.wikipedia.org/wiki/Ʊ

    Shapes of horseshoe as designed for the African reference alphabet, clearly based on a serifed shape of the Latin capital U.. The letter Ʊ (minuscule: ʊ), called horseshoe or sometimes bucket, inverted omega or Latin upsilon, is a letter of the International Phonetic Alphabet used to transcribe a near-close near-back rounded vowel.

  4. 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.

  5. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    Upsilon with circumflex: Archaic letter indicating high or falling pitch ὐ: Upsilon with smooth breathing: Archaic letter denoting the absence of /h/ prior to the vowel ὔ: Upsilon 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 ὒ

  6. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    The symbol ("variant pi") is an archaic script form of pi (π), also used as a technical symbol. The letter rho (ρ) can occur in different stylistic variants, with the descending tail either going straight down or curled to the right. The symbol ϱ (U+03F1) is designated specifically for the curled form, used as a technical symbol.

  7. Archaic Greek alphabets - Wikipedia

    en.wikipedia.org/wiki/Archaic_Greek_alphabets

    All forms of the Greek alphabet were originally based on the shared inventory of the 22 symbols of the Phoenician alphabet, with the exception of the letter Samekh, whose Greek counterpart Xi (Ξ) was used only in a subgroup of Greek alphabets, and with the common addition of Upsilon (Υ) for the vowel /u, ū/.

  8. 96 Shortcuts for Accents and Symbols: A Cheat Sheet

    www.aol.com/96-shortcuts-accents-symbols-cheat...

    The post 96 Shortcuts for Accents and Symbols: A Cheat Sheet appeared first on Reader's Digest. ... Adding accents to letters in Windows is as easy as 123. Whether you’re always talking about ...

  9. Greek diacritics - Wikipedia

    en.wikipedia.org/wiki/Greek_diacritics

    While the tónos of monotonic orthography looks similar to the oxeîa of polytonic orthography in most typefaces, Unicode has historically separate symbols for letters with these diacritics. For example, the monotonic "Greek small letter alpha with tónos " is at U+03AC, while the polytonic "Greek small letter alpha with oxeîa " is at U+1F71.