An introduction to LaTeX. 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.

What is the main purpose of latex?

LaTeX was created to make it easier to produce general-purpose books and articles within TeX. Because LaTeX is an extension to the TeX typesetting system, it has TeX's ability to typeset technical documents that contain complex mathematical equations.

What is latex why you need it?

LaTeX gives the user extremely good control over the formatting of documents. Once it is mastered, it can be much easier to work with than a mainstream word processor when complicated formatting is necessary. LaTeX code is typed into a text file.