plplot12-driver-xwin software package provides Scientific plotting library (X11 driver), 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 plplot12-driver-xwin
plplot12-driver-xwin is installed in your system.
Make ensure the plplot12-driver-xwin package were installed using the commands given below,
$ sudo dpkg-query -l | grep plplot12-driver-xwin *
You will get with plplot12-driver-xwin package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | plplot12-driver-xwin |
| Version | 5.10.0-0ubuntu5 |
| Description | Scientific plotting library (X11 driver) |
| Sub Section | libs |