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 Documentation / Mathematica / Built-in Functions / Mathematical Functions / Mathematical Constants  /
Infinity

  • Infinity or is a symbol that represents a positive infinite quantity.
  • can be entered as \[Infinity] or inf.
  • In StandardForm, Infinity is printed as .
  • Infinity is converted to DirectedInfinity[1].
  • Certain arithmetic operations work with Infinity.
  • Example: 1/Infinity.
  • NumberQ[Infinity] yields False.
  • See the Mathematica book: Section 1.1.3, Section 2.1.7, Section 3.1.8Section 3.2.8.
  • See also: ComplexInfinity, Indeterminate.

    Further Examples

    You can do some arithmetic with Infinity.

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    Infinity can be used used in limits, products, sums, and integrals.

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