'''[http://tug.org/%|%TeX]''', by [Donald E. Knuth], is a computer
type-setting system and [markup language] that heralded a revolution in the quality of the
vast majority of published mathematics.



** See Also **

   [texutil]:   write TeX [Tcl]-style

   [mimetex]:   a lightweight clone of (a subset of) [LaTeX], aimed at producing formula rendering for web pages and the like. It does not depend on having TeX or its fonts available.



** Description **

TeX is mostly used via [LaTeX], which is built on top of it.


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