Latex which is pronounced «Lah-tech» or «Lay-tech» (to rhyme with «blech» or «Bertolt Brecht»), is a document preparation system for high-quality typesetting. It is most often used for medium-to-large technical or scientific documents but it can be used for almost any form of publishing.
Latex is a document preparation system for producing professional-looking documents. its is not a word processor. For example, used as part of a pipeline for translating DocBook and other XML-based formats to PDF.
- TEX – Computer program created by Donald E. Knuth.
- Aimed at typesetting text and mathematical formulas.
- LATEX – Macro package enabling authors to typeset and print their work at highest typographical quality.
- Uses TEX formatter as its typesetting engine.
- Uses a pre-designed, professional layout.
- Originally written by Leslie Lamport AGuy Kloss.
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[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 encourages authors not to worry too much about the appearance of their documents but to concentrate on getting the right content. For example, consider this document:
Cartesian closed categories and the price of eggs
Jane Doe
September 1994
Hello world!
To produce this in most typesetting or word-processing systems, the author would have to decide what layout to use, so would select (say) 18pt Times Roman for the title, 12pt Times Italic for the name, and so on. This has two results: authors wasting their time with designs; and a lot of badly designed documents.
LaTeX is based on the idea that it is better to leave document design to document designers, and to let authors get on with writing documents. So, in LaTeX you would input this document as:
\documentclass{article}
\title{Cartesian closed categories and the price of eggs}
\author{Jane Doe}
\date{September 1994}
\begin{document}
\maketitle
Hello world!
\end{document}
Or, in English:
- This document is an article.
- Its title is Cartesian closed categories and the price of eggs.
- Its author is Jane Doe.
- It was written in September 1994.
- The document consists of a title followed by the text Hello world!
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