Look up question mark or ? in Wiktionary, the free dictionary.

A question mark is a type of punctuation mark.

Question mark or ? may also refer to:

• Question Mark (aircraft) a U.S. Army aircraft that set an endurance record in 1929
• ? (bistro), a restaurant in Belgrade, Serbia
• "?" (Lost), an episode of the TV series Lost
• Polygonia interrogationis, the Question Mark butterfly
•  ?, a symbol used in chess punctuation
•  ?, a distortion of the astronomical symbol for the dwarf planet Ceres
•  ?, an approximation of the IPA symbol for the glottal stop

In mathematics and programing:

• Minkowski's question mark function, a mathematical function
• ?:, a ternary operator

In music:

• Question Mark & the Mysterians, an American band
• ? (Bersuit album)
• ? (Nena album), or the title song
• ? (Neal Morse album)
• ? (EP), an EP by Modwheelmood
• "? (Modern Industry)", a song by Fishbone

In people:

• Seung-Hui Cho or "Question Mark", Virginia Tech massacre shooter
• Matthew Lesko or "question mark guy", American author and infomercial host

[edit] See also

• Inverted question and exclamation marks (¿)
• Question (disambiguation)

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