!! 3632887 204497839 2008-04-09T17:51:45Z 71.164.0.63 {{wiktionarypar|!!}} '''‼''' (double [[exclamation mark]]) may refer to: *A [[Punctuation (chess)#‼: Brilliant move|brilliant move]] in chess notation *The [[Factorial#Double factorial|double factorial operator]] in mathematics *A "convert to [[Boolean datatype|Boolean]]" pseudo-operator in some computer languages Able to be typed in Windows by holding down Alt then pressing 1299 on the num pad. ==See also== * [[!!!]] {{disambig}} [[zh:!!]]