!! (other)
‼ (a double exclamation mark, Unicode character U+203C) may refer to: * !! (chess), a brilliant move in chess annotation * Double factorial, an operator in mathematics * Retroflex click, a family of click consonants found only in Juu and Namibian languages, and in the Damin ritual jargon * Double-negation translation, !!''p'' = ''p''. See also * ! (other) * !!! (other) !!! is a dance-punk band formed in 1996. !!! may also refer to: * ''!!!'' (album), the debut album by the band !!! * A tour cassette produced by the band !!! * Exclamation mark emphasis form by triplication See also * !! (other) * ! ( ...

Exclamation Mark
The exclamation mark, , or exclamation point (American English), is a punctuation mark usually used after an interjection or exclamation to indicate strong feelings or to show emphasis. The exclamation mark often marks the end of a sentence, for example: "Watch out!". Similarly, a bare exclamation mark (with nothing before or after) is often used in warning signs. The exclamation mark is often used in writing to make a character seem as though they are shouting and/or excited/surprised. Other uses include: * In mathematics, it denotes the factorial operation. * Several computer languages use at the beginning of an expression to denote logical negation. For example, means "the logical negation of A", also called "not A". This usage has spread to ordinary language (e.g., "!clue" means no-clue or clueless). * Some languages use to denote a click consonant. History Graphically, the exclamation mark is represented by variations on the theme of a full stop point with a vertical l ...
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