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Ȳ (minuscule: ȳ) is a letter of the Latin alphabet, formed from Y with the addition of a macron (¯). In modern dictionaries and textbooks for Latin and Old English, ȳ may be used to indicate a long "y" (). In Latin, this only occurs in loanwords. It is used in Cornish, and was used in Livonian. [1]
A macron (/ ˈ m æ k r ɒ n, ˈ m eɪ-/ MAK-ron, MAY-) is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel. Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics. It now more often marks a long vowel.
A with ring above: Bolognese dialect, Chamorro, Danish, Greenlandic, Istro-Romanian, Old High German, North Frisian, Norwegian, Sámi, Swedish, and Walloon, Measurements (in the form of the Ångström) Å: Angstrom sign: Ångström unit of measure for length, preferred representation is Å (A with ring above) Ǻ ǻ: A with ring above and acute ...
Latin Capital Letter Y with dot above U+1E8F ẏ Latin Small Letter Y with dot above U+1E90 Ẑ Latin Capital Letter Z with circumflex U+1E91 ẑ Latin Small Letter Z with circumflex U+1E92 Ẓ Latin Capital Letter Z with dot below U+1E93 ẓ Latin Small Letter Z with dot below U+1E94 Ẕ Latin Capital Letter Z with line below U+1E95 ẕ
An overline, overscore, or overbar, is a typographical feature of a horizontal line drawn immediately above the text. In old mathematical notation, an overline was called a vinculum, a notation for grouping symbols which is expressed in modern notation by parentheses, though it persists for symbols under a radical sign.
If y is a variable that depends on x, then , read as "d y over d x" (commonly shortened to "d y d x"), is the derivative of y with respect to x. 2. If f is a function of a single variable x , then d f d x {\displaystyle \textstyle {\frac {\mathrm {d} f}{\mathrm {d} x}}} is the derivative of f , and d f d x ( a ) {\displaystyle \textstyle {\frac ...
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A dot above and a dot below a letter represent [a], transliterated as a or ă, Two diagonally-placed dots above a letter represent [ɑ], transliterated as ā or â or å, Two horizontally-placed dots below a letter represent [ɛ], transliterated as e or ĕ; often pronounced [ɪ] and transliterated as i in the East Syriac dialect,