View source for AMS-LaTeX

{{Short description|LaTeX additions for the American Mathematical Society}}
{{Infobox software
| name = AMS-LaTeX
| logo = File:AMS-LaTeX.svg
| developer = 
| latest release version = AMS-LaTeX v2.20,<br>AMS-TeX v2.2,<br>AMSFonts v3.0
| programming language = [[LaTeX]], [[TeX]]
| operating system = [[Unix-like]], [[Windows]]
| platform = [[TeX Live]], [[MiKTeX]]
| genre = [[Computer library]]
| license = [[LaTeX Project Public License]]
| website = {{URL|https://www.ams.org/arc/resources/amslatex-about.html}}
}}

'''AMS-LaTeX''' is a collection of [[LaTeX]] document classes and packages developed for the [[American Mathematical Society]] (AMS). Its additions to LaTeX include the typesetting of multi-line and other mathematical statements, document classes, and [[font]]s containing numerous mathematical symbols.<ref>{{cite book
| url = http://www.ctan.org/tex-archive/info/mil/mil.pdf
| title = Math into LaTeX
| author = George Gratzer
| year = 1996
| publisher = Springer
| isbn = 0-8176-3805-9
| accessdate = 2007-10-08
}}</ref>

It has largely superseded the plain [[TeX]] macro package '''AMS-TeX'''. AMS-TeX was originally written by [[Michael Spivak]], and was used by the AMS from 1983 to 1985.

[[MathJax]] supports AMS-LaTeX through extensions.<ref>{{Cite web|url=http://docs.mathjax.org/en/latest/tex.html#supported-latex-commands|title=MathJax TeX and LaTeX Support — MathJax 2.7 documentation|website=docs.mathjax.org|language=en|access-date=2018-08-27|archive-url=https://web.archive.org/web/20181216163219/http://docs.mathjax.org/en/latest/tex.html#supported-latex-commands|archive-date=2018-12-16|url-status=dead}}</ref>

The following code of the LaTeX2e produces the AMS-LaTeX logo:

<syntaxhighlight lang=latex>
 %%% -- AMS-LaTeX_logo.tex -------
 \documentclass{article}
 \usepackage{amsmath}
 
 \begin{document}
 \AmS-\LaTeX
 \end{document}
</syntaxhighlight>

The package has a suite of facilities to format multi-line equations. For example, the following code,

<syntaxhighlight lang=latex>
  \begin{align}
    y &= (x+1)^2 \\
      &= x^2+2x+1
  \end{align}
</syntaxhighlight>

causes the equals signs in the two lines to be aligned with one another, like this:

:<math>
  \begin{align}
    y &= (x+1)^2 \\
      &= x^2+2x+1
  \end{align}
</math>

AMS-LaTeX also includes many flexible commands for formatting and numbering theorems, lemmas, etc.  For example, one may use the environment {{samp|theorem}}

<syntaxhighlight lang=latex>
  \begin{theorem}[Pythagoras] Suppose $a\leq b\leq c$ are the side-lengths of a right triangle.\\  Then $a^2+b^2=c^2$.\end{theorem}
  \begin{proof}. . . \end{proof}
</syntaxhighlight>

to generate

<blockquote>
   '''Theorem''' (''Pythagoras'') ''Suppose'' <math>a\leq b\leq c</math> ''are the side-lengths of a right triangle. '' <br>''Then'' <math>a^2+b^2=c^2</math>.<br>
   '''Proof'''. . . □
</blockquote>

==See also==
* [[List of TeX extensions]]
* [[AMSRefs]]
* [[Tombstone (typography)]]

==References==
<references />

==External links==
*[http://www.ams.org/tex/ AMS TeX Resources]
*[https://web.archive.org/web/20060908235938/http://www.tex.ac.uk/cgi-bin/texfaq2html?label=AMSpkg TeX FAQ on AMS-TeX]

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