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LaTeX ({{#invoke:IPAc-en|main}} LAH-tekh, commonly pronounced as {{#invoke:IPAc-en|main}} LAH-tek or {{#invoke:IPAc-en|main}} LAY-tek,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }},</ref> styled as LaTeX, and a shortening of Lamport TeX) is a word processor<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and a document markup language. It is distinguished from typical word processors such as Microsoft Word, LibreOffice Writer and Apple Pages in that the writer uses plain text as opposed to formatted text, relying on markup tagging conventions to define the general structure of a document (such as article, book, and letter), to stylise text throughout a document (such as bold and italic), and to add citations and cross-referencing. A TeX distribution such as TeXlive or MikTeX is used to produce an output file (such as PDF or DVI) suitable for printing or digital distribution.

LaTeX is used for the communication and publication of scientific documents in many fields, including mathematics, physics, computer science, statistics, economics, and political science.<ref>http://www.latex-project.org/</ref>{{ safesubst:#invoke:Unsubst||$N=Failed verification |date=__DATE__ |$B= {{#invoke:Category handler|main}}[not in citation given] }} It also has a prominent role in the preparation and publication of books and articles that contain complex multilingual materials, such as Sanskrit and Arabic{{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= {{#invoke:Category handler|main}}{{#invoke:Category handler|main}}[citation needed] }}. LaTeX uses the TeX typesetting program for formatting its output, and is itself written in the TeX macro language.

LaTeX is widely used in academia.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>{{ safesubst:#invoke:Unsubst||$N=Failed verification |date=__DATE__ |$B= {{#invoke:Category handler|main}}[not in citation given] }}<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> LaTeX can be used as a standalone document preparation system, or as an intermediate format. In the latter role, for example, it is often used as part of a pipeline for translating DocBook and other XML-based formats to PDF. The typesetting system offers programmable desktop publishing features and extensive facilities for automating most aspects of typesetting and desktop publishing, including numbering and cross-referencing of tables and figures, chapter and section headings, the inclusion of graphics, page layout, indexing and bibliographies.

Like TeX, LaTeX started as a writing tool for mathematicians and computer scientists, but from early in its development it has also been taken up by scholars who needed to write documents that include complex math expressions or non-Latin scripts, such as Arabic, Sanskrit and Chinese{{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= {{#invoke:Category handler|main}}{{#invoke:Category handler|main}}[citation needed] }}.

LaTeX is intended to provide a high-level language that accesses the power of TeX in an easier way for writers. In short, TeX handles the layout side, while LaTeX handles the content side for document processing. LaTeX comprises a collection of TeX macros and a program to process LaTeX documents. Because the plain TeX formatting commands are elementary, it provides authors with ready-made commands for formatting and layout requirements such as chapter headings, footnotes, cross-references and bibliographies.

LaTeX was originally written in the early 1980s by Leslie Lamport at SRI International.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The current version is LaTeX2e (styled as LaTeX2ε). LaTeX is free software and is distributed under the LaTeX Project Public License (LPPL).


LaTeX sections
Intro  Typesetting system  Examples  Pronouncing and writing \"LaTeX\"  Licensing  Related software  Versions  Compatibility  See also  References  Further reading  External links  

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