!

Look up exclamation mark, exclamation point, ⠖, ⠮, or ！ in Wiktionary, the free dictionary.

! is a punctuation mark called an exclamation mark, exclamation point, ecphoneme, or bang.

! may also refer to:

Mathematics and computers

• Factorial, a mathematical function
  • Derangement, a related mathematical function
• Negation, in logic and some programming languages
• Uniqueness quantification in mathematics and logic

Music

• ! (album), a 1995 album by The Dismemberment Plan
• !!! (Chk, chk, chk), an American dance-punk band
• "! (The Song Formerly Known As)", a single on the album Unit by Regurgitator

Other

• ǃ — the IPA symbol for postalveolar click in speech
• An indicator of a good chess move in punctuation
• A dereference operator in BCPL

See also

• !! (disambiguation)
• Interrobang, the nonstandard mix of a question mark and an exclamation mark

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.