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A vinculum (from Latin vinculum 'fetter, chain, tie') is a horizontal line used in mathematical notation for various purposes. It may be placed as an overline or underline above or below a mathematical expression to group the expression's elements.
Floor function: if x is a real number, ⌊ ⌋ is the greatest integer that is not greater than x. ⌈ ⌉ Ceiling function: if x is a real number, ⌈ ⌉ is the lowest integer that is not lesser than x. ⌊ ⌉
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.
There may be any number of beats in a measure but the most common by far are multiples of 2 or 3 (i.e., a top number of 2, 3, 4, or 6). Likewise, any note length can be used to represent a beat, but a quarter note (indicated by a bottom number of 4) or eighth note (bottom number of 8) are by far the most common.
X with low right ring Teuthonista [4] ꭗ X with long left leg ꭘ X with long left leg and low right ring ꭙ X with long left leg with serif ꭙ̆: X with long left leg with serif and breve The reference does not cite this letter and diacritic combination. [citation needed] ʏ 𐞲 Small capital Y IPA /ʏ/
top left corner top right corner Corner quotes, also called “Quine quotes”; for quasi-quotation, i.e. quoting specific context of unspecified (“variable”) expressions; [ 4 ] also used for denoting Gödel number ; [ 5 ] for example “⌜G⌝” denotes the Gödel number of G. (Typographical note: although the quotes appears as a “pair ...
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X bar, x̄ (or X̄) or X-bar may refer to: X-bar theory, a component of linguistic theory; Arithmetic mean, a commonly used type of average; An X-bar, a rollover protection structure; Roman numeral 10,000 in vinculum form