libmgl-dev software package provides library for scientific graphs (development files), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libmgl-dev
libmgl-dev is installed in your system.
Make ensure the libmgl-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmgl-dev *
You will get with libmgl-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libmgl-dev |
| Version | 2.1.3.1-4ubuntu3 |
| Description | library for scientific graphs (development files) |
| Sub Section | libdevel |