freemat-help software package provides freemat help files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install freemat-help
freemat-help is installed in your system.
Make ensure the freemat-help package were installed using the commands given below,
$ sudo dpkg-query -l | grep freemat-help *
You will get with freemat-help package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Mathematics |
| Package | freemat-help |
| Version | 4.0+dfsg1-1 |
| Description | freemat help files |
| Sub Section | Math |