drgeo software package provides interactive geometry software, 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 drgeo
drgeo is installed in your system.
Make ensure the drgeo package were installed using the commands given below,
$ sudo dpkg-query -l | grep drgeo *
You will get with drgeo package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | drgeo |
| Version | 1.1.0-10.1ubuntu1 |
| Description | interactive geometry software |
| Sub Section | math |