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'''LaTeX''' is a [[computer language]] for [[mathematical]] [[markup]]. It was developed on top of '''TeX''', a typesetting language developed by [[Donald Knuth]], and is now used nearly universally by [[mathematician]]s, [[physicist]]s, [[engineer]]s, [[computer scientist]]s and other scientists in need of technical [[formatting]].
'''LaTeX''' is a [[computer language|computer typesetting language]] for [[mathematical]] [[markup]]. It was designed and developed by Leslie Lamport<ref>Gratzer, G. ''First Steps in LaTeX''. Birkhauser, Boston; p. xiv (1999) [https://books.google.com/books?id=mLdg5ZdDKToC&lpg=PP1&pg=PR14#v=onepage&q&f=false]</ref> as an extension of TeX, an existing typesetting language developed by [[Donald Knuth]]. LaTeX is used nearly universally by [[mathematician]]s, [[physicist]]s, [[engineer]]s, [[computer scientist]]s and other scientists in need of technical formatting in their publications.
==Examples==
\documentclass[12pt]{article} %Specifies the font size and the document style
\begin{document} %Begins the document
$$\sqrt{\frac{1}{4}} = \frac{1}{2}$$ %Dollar sign ($) delimits math expressions; $$ delimits math expressions displayed centered on their own line
\end{document} %Document closing tag
This LaTeX code would output:
<center><math>\sqrt{\frac{1}{4}} = \frac{1}{2}</math></center>
Highly complex mathematical expressions are also possible; for example, the following code:<ref>[https://meta.wikimedia.org/wiki/Help:Displaying_a_formula Mediawiki Help:Displaying a Formula]</ref>
\operatorname{erfc}(x) =
\frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt =
\frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}}
would output:
<math>
\operatorname{erfc}(x) =
\frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt =
\frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}}
</math>
The style declaration, beginning and closing end tags are omitted for brevity.
==References==
<references/>
==External links==
* [http://www.latex-project.org/ LaTeX – A document preparation system]
[[Category:Programming Languages]]
[[Category:Programming Languages]]
[[Category:Mathematics]]
[[Category:Mathematics]]