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0 may refer to:
  • 0 (number)
    0 (number)
    0 is both a number and the numerical digit used to represent that number in numerals. It plays a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, zero is used as a placeholder in place value systems...

    , the integer between -1 and +1
  • Year zero
    Year zero
    Year zero is not used in the widely used Gregorian calendar, nor in its predecessor, the Julian calendar. Under those systems, the year 1 BC is followed by AD 1...

    , the year that precedes the year 1 AD and follows the year 1 BC, in astronomical calculations
  • 0̸ or slashed zero
  • 0 (Star Trek), a character in the Star Trek universe
  • Mr. 0 or Sir Crocodile, a character in One Piece media
  • #0, pseudonym of American musician Sid Wilson
    Sid Wilson
    Sidney George "Sid" Wilson also known as Ratboy, DJ Moonboots, DJ Starscream, #0 , is an American musician most widely known as the turntablist of the Grammy Award winning metal band Slipknot. At 32, Wilson is the youngest member of Slipknot.-Biography:Sid Wilson was born in Des Moines, Iowa...

    , when performing with the band Slipknot

See also

  • Zero (disambiguation)
    Zero (disambiguation)
    Zero is the name for both the digit 0 and the number 0.Zero may also refer to:-Mathematics:*Zero , in mathematics, a root of a holomorphic function...

  • O
    O
    O is the fifteenth letter of the basic modern Latin alphabet. Its name in English is spelled o; the plural is oes, though this is rare.- History :...

    , a letter of the Latin alphabet
  • Ø
    Ø
    Ø , is a vowel and a letter used in the Danish, Faroese and Norwegian languages.The name of this letter is the same as the sound it represents . Though not its native name, among English-speaking typographers the symbol may be called a "slashed o" or "o with stroke"...

    , a letter of several Scandinavian alphabets
  • ∅, the empty set
  • The zero sharp set, 0#
    Zero sharp
    In the mathematical discipline of set theory, 0# is defined to be a particular real number satisfying certain conditions, namely, to be the real number that codes in the canonical way the Gödel numbers of the true formulas about the indiscernibles in the Gödel constructible universe...

  • Φ, the Greek letter phi
  • Θ, the Greek letter theta
  • ⌀, the diameter symbol