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The concept of zero has many synonyms

  • Empty
  • None
  • Nil
  • Null
  • Nought or naught (US)
  • Void
  • Zilch
  • ...

The number zero

Zero is usually not considered to belong to the set of natural numbers, as it was not even considered a number by the ancient Greeks and Romans. The number zero is represented by the Hindu-Arabic numeral 0. As a digit, 0 is used as a placeholder in place-value numeral systems.

Properties of 0

The zero matrix


The zero constant polynomial


See also

External links