carmetal software package provides dynamic geometry software with highly ergonomic UI, 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 carmetal
carmetal is installed in your system.
Make ensure the carmetal package were installed using the commands given below,
$ sudo dpkg-query -l | grep carmetal *
You will get with carmetal package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | carmetal |
| Version | 3.5.2+dfsg-1 |
| Description | dynamic geometry software with highly ergonomic UI |
| Sub Section | math |