!!
‼ (a double exclamation mark, Unicode character U+203C) may refer to:
- A brilliant move in chess notation
- Double factorial, an operator in mathematics
- A retroflex click, a family of click consonants found only in Juu languages and in the Damin ritual jargon
- Double-negation translation, !!p = p.
See also
This disambiguation page lists articles associated with the title !!.
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