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In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
Download QR code; Wikidata item; Print/export ... Parentheses can be nested, and should be evaluated from the inside outward. ... For example, Microsoft Excel and ...
Mathematical Markup Language ( MathML) is a mathematical markup language, an application of XML for describing mathematical notations and capturing both its structure and content, and is one of a number of mathematical markup languages.
Unicode has subscripted and superscripted versions of a number of characters including a full set of Arabic numerals. [1] These characters allow any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX .
A table is an arrangement of columns and rows that organizes and positions data or images. Tables can be created on Wikipedia pages using special wikitext syntax, and many different styles and tricks can be used to customise them.
Nesting can mean: nested calls: using several levels of subroutines recursive calls nested levels of parentheses in arithmetic expressions nested blocks of imperative source code such as nested if-clauses, while-clauses, repeat-until clauses etc. information hiding : nested function definitions with lexical scope nested data structures such as records, objects, classes, etc. nested ...
Halfwidth and fullwidth forms. In CJK (Chinese, Japanese, and Korean) computing, graphic characters are traditionally classed into fullwidth [a] and halfwidth [b] characters. Unlike monospaced fonts, a halfwidth character occupies half the width of a fullwidth character, hence the name. Halfwidth and Fullwidth Forms is also the name of a ...
Numeric precision in Microsoft Excel. As with other spreadsheets, Microsoft Excel works only to limited accuracy because it retains only a certain number of figures to describe numbers (it has limited precision ). With some exceptions regarding erroneous values, infinities, and denormalized numbers, Excel calculates in double-precision floating ...