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Chests of drawers often come in 5-, 6-, and 7-drawer varieties, with either a single or a double top drawer. The chest illustrated in this section would be described as a '5 over 2 chest-on-chest', the latter term deriving from the fact that at one time it would have been made as two separable pieces.
The representation of a grammar is a set of syntax diagrams. Each diagram defines a "nonterminal" stage in a process. There is a main diagram which defines the language in the following way: to belong to the language, a word must describe a path in the main diagram.
Midnight Commander using box-drawing characters in a terminal emulator. Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes.
A mathematical markup language is a computer notation for representing mathematical formulae, based on mathematical notation.Specialized markup languages are necessary because computers normally deal with linear text and more limited character sets (although increasing support for Unicode is obsoleting very simple uses).
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.
Welcome to our Panda Hall of Fame – a carefully curated collection of 100 products that keep climbing to the top of our "most purchased" lists faster than we can restock them.
(expression) – subexpression; used with logical operators to create a more complex expression! – logical not; placed before a feature, operator or subexpression to invert its value & – logical and; evaluates as true if all subexpressions evaluate to true | – logical or; evaluates as true if any of the subexpressions evaluates to true
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