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Learn the meanings and uses of various mathematical symbols, such as + (plus sign), − (minus sign), × (multiplication sign), and more. See examples, syntax, and Unicode and LaTeX renderings of each symbol.
Learn about the history and meaning of media control symbols, such as play, pause, stop, and rewind, used on various devices and platforms. Find out how they are standardized, used in popular culture, and applied to appliances and other mechanical devices.
Learn about the different symbols and glyphs that represent sex and gender in various fields and contexts, such as biology, genealogy, linguistics and public toilets. See examples, origins, variations and encoding of gender symbols in Unicode.
Learn about the history, usage and meaning of the plus sign (+) and the minus sign (−) in mathematics and other fields. Find out how they are derived from Latin letters, how they are written in different languages and symbols, and how they are used as operators, functions and prefixes.
The symbol also has a HTML entity representations of ±, ±, and ±. The rarer minus–plus sign is not generally found in legacy encodings, but is available in Unicode as U+2213 ∓ MINUS-OR-PLUS SIGN so can be used in HTML using ∓ or ∓. In TeX 'plus-or-minus' and 'minus-or-plus' symbols are denoted \pm and \mp ...
Miscellaneous Symbols is a Unicode block containing glyphs from various categories, such as astrological, chess, musical, and weather symbols. Learn the names, meanings, and codes of these symbols, and see examples and tables of their usage.
Learn about the meaning, usage and history of various symbols and signs used in typography, such as + (plus sign), ≈ (almost equal to), ́ (acute accent) and more. See the Unicode name, similar glyphs and related articles for each symbol.
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