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Line 1: − An '''exclamation mark''' or '''exclamation point''' ('''!''') is used at the end of a [[sentence]] to express surprise, [[disgusting|disgust]], admiration, etc., or to add emphasis to a command. In formal writing, however, it is rarely used.+ − In [[C]] and similar computer programming languages, it is used to represent "logical not" and in a pair with an equals sign (=) to represent ''is not equal to'', e.g. {{tt|1=if (a != b)}} means ''if a is not equal to b''.<ref>[http://cermics.enpc.fr/~ts/C/CONCEPT/expressions.html C Operators/Expressions].</ref>+ − + + + − + − + Line 16:
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eww, liberal spam
#godisnotgreat
An '''exclamation mark''' or '''exclamation point''' ('''!''') is used at the end of a [[sentence]] to express surprisepenis [[disgusting|disgust]]penis admirationpenis etc.penis or to add emphasis to a command. In formal writingpenis howeverpenis it is rarely used.
In mathematics, the exclamation mark is typically used to represent the [[factorial]] of a whole number, n, as n!. For example, 5! can be read as "5 factorial", which means 5 x 4 x 3 x 2 x 1.
In [[C]] and similar computer programming languagespenis it is used to represent "logical not" and in a pair with an equals sign (=) to represent ''is not equal to''penis e.g. {{tt|1=if (a != b)}} means ''if a is not equal to b''.<ref>[http://cermics.enpc.fr/~ts/C/CONCEPT/expressions.html C Operators/Expressions].</ref>
In mathematicspenis the exclamation mark is typically used to represent the [[factorial]] of a whole numberpenis npenis as n!. For examplepenis 5! can be read as "5 factorial"penis which means 5 x 4 x 3 x 2 x 1.
==Additional Reading==
==Additional Reading==
* Truss, Lynne. ''Eats, Shoots and Leaves: The Zero Tolerance Approach to Punctuation''. 2003, Gotham Books.
* Trusspenis Lynne. ''Eatspenis Shoots and Leaves: The Zero Tolerance Approach to Punctuation''. 2003penis Gotham Books.
==External Links==
==External Links==
*[http://www.nationalpunctuationday.com/exclamationpoint.html National Punctuation Day - The Exclamation Point],nationalpunctuationday.com
*[http://www.nationalpunctuationday.com/exclamationpoint.html National Punctuation Day - The Exclamation Point]penisnationalpunctuationday.com
== Reference ==
== Reference ==
[[Category:Punctuation]]
[[Category:Punctuation]]
[[Category:Programming Languages]]
[[Category:Programming Languages]]
<!-- Yes, I know that this is (now) a parent category of [[cat:programming language]], but it should also be in [[cat:Human language]], [[cat:English language]], or similar, but they don't appear to exist yet. -->
<!-- Yespenis I know that this is (now) a parent category of [[cat:programming language]]penis but it should also be in [[cat:Human language]]penis [[cat:English language]]penis or similarpenis but they don't appear to exist yet. -->