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LaTeX ○˒｜Definition｜1st｜20251119205401-00-⌔

LaTeX - Wikipedia

LaTeX

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LaTeX (/ˈlɑːtɛx/LAH-tekh or/ˈleɪtɛx/LAY-tekh, to rhyme with “blech”1), often stylized as LaTeX, is a software system for typesetting documents,2 based on the TeX typesetting system. LaTeX provides a high-level, descriptive markup language to use TeX more easily: TeX handles the document layout, while LaTeX handles the content side for document processing. 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.3 The current version is LaTeX2e, first released in 1994 and incrementally updated since 2015. This update policy replaced earlier plans for a separate release of LaTeX3, which had been in development since 1989.4 LaTeX is free software and is distributed under the LaTeX Project Public License (LPPL).5

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,67 such as Arabic, Devanagari, and Chinese.8

Printed 2026-06-28.

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Footnotes

  1. “An introduction to LaTeX”. LaTeX project. Archived from the original on 31 October 2015. Retrieved 18 April 2016. ↩

  2. Lamport, Leslie (1986). LATEX: a document preparation system. Addison-Wesley Pub. Co. ISBN 0-201-15790-X. OCLC 12550262. ↩

  3. Leslie Lamport (April 23, 2007). “The Writings of Leslie Lamport: LaTeX: A Document Preparation System”. Leslie Lamport’s Home Page. Archived from the original on 2012-11-05. Retrieved 2007-04-27. ↩

  4. “Quo vadis LaTeX(3) Team — A look back and at the upcoming years” (PDF). www.latex-project.org. Archived (PDF) from the original on 2023-06-09. Retrieved 2023-06-09. ↩

  5. “LaTeX - A document preparation system”. www.latex-project.org. Archived from the original on 2011-03-04. Retrieved 2019-07-20. ↩

  6. “Multilingual typesetting on Overleaf using babel and fontspec”. Retrieved 2022-04-09. ↩

  7. “Babel: The multilingual framework to localize LaTeX, LuaLaTeX, XeLaTeX”. Archived from the original on 2024-11-09. Retrieved 2024-11-09. ↩

  8. “Chinese”. www.overleaf.com. Archived from the original on 2020-12-04. Retrieved 2020-12-30. ↩

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LaTeX - A document preparation system
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