: Unzip etex.zip into your local texmf tree (e.g., /usr/local/texlive/texmf-local/ or ~/texmf/ ).
: If you see an error about etex.fmt , repeat the format generation step in Section 1. etex.zip
Since "etex.zip" commonly refers to the source or distribution package for : Unzip etex
: Allows for inline arithmetic using \numexpr , \dimexpr , \glueexpr , and \muexpr . etex.zip
: Includes basic support for right-to-left (RTL) text.