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In the following, the quantity + is the whole radicand, and thus has a vinculum over it: a b + 2 n . {\displaystyle {\sqrt[{n}]{ab+2}}.} In 1637 Descartes was the first to unite the German radical sign √ with the vinculum to create the radical symbol in common use today.
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 ...
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
unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) : 1670 (with the horizontal bar over the inequality sign, rather than below it) ...
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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 ...
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