To install fonts-mathjax-extras just follow these instructions.
/debian/stretch/main///install/index.html JavaScript display engine for LaTeX and MathML (extra fonts) Debian 9.0 fonts 2.7.0-2
sudo apt-get install fonts-mathjax-extras
Which will install fonts-mathjax-extras and any other packages on which it depends.
Package | fonts-mathjax-extras |
Version | 2.7.0-2 |
Maintainer | Dmitry Shachnev |
Description | JavaScript display engine for LaTeX and MathML (extra fonts) |
Distro | debian |
Release | stretch |
Repo | main |
Section | fonts |