!!
(Redirected from Double exclamation mark)
‼ (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
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