# Directory `macros/latex/contrib/subeqn`

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## subeqn – Package for subequation numbering

Sometimes it is necessary to be able to refer to subexpressions
of an equation. In order to do that these subexpressions should
be numbered. In standard LaTeX there is no provision for
this. To solve this problem Stephen Gildea once wrote
`subeqn.sty` for LaTeX 2.09;
Donald Arsenau rewrote the macros and Johannes Braams made them
available for LaTeX2ε.

Note that this package is not compatible with the package
subeqnarray (written by Johannes
Braams), but it can be used together with the LaTeX class options
`leqno` and `fleqn`.

Package | subeqn |

Version | 2.0b |

Licenses | The LaTeX Project Public License |

Maintainer | Donald Arseneau Johannes L. Braams |

Contained in | TeX Live as subeqn MiKTeX as subeqn |

Topics | Maths |

See also | subeqnarray |