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 3.1.8 and Section 3.2.8.

See also: ComplexInfinity, Indeterminate.

Further Examples