... Typesetting is a different way of document preparation than word processing . ... The most well-known typesetting system is probably TeX/LaTeX, which has been widely used by mathematicians and many engineers, because of its high printing quality of the documents (especially those which have mathematical formule) that can not be matched by most word processors. ... This section covers some related software of TeX/LaTeX, and some other typesetting systems. ... LaTeX: A document preparation system . ...