.. highlightlang:: us

.. _inf:

inf
===

.. index:: inf

.. us.tag  inf ENGLISH oldfunc Changed593

:ref:`inf` returns the result of 1/0.

.. function::  r = inf()

.. us.return

**Return Value**

*r* is 1/0.

.. us.history

**History**

.. list-table::
   :header-rows: 1

   * - Version
     - Description
   * - 5.9.3
     - This function is obsolete.

.. seealso::
   :ref:`overview-mathematic`,
   :ref:`isfinite`

:sub:`id-1621587`