Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Plain TeX is Knuth's original default format for TeX documents.

Plain TeX is a useful minimum set of macros that can be used with TeX, together with some demonstration versions of higher-level commands.

history | excerpt history