lrcalc software package provides programs for calculating Littlewood-Richardson coefficients, 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 lrcalc
lrcalc is installed in your system.
Make ensure the lrcalc package were installed using the commands given below,
$ sudo dpkg-query -l | grep lrcalc *
You will get with lrcalc package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | lrcalc |
| Version | 1.1.7-1 |
| Description | programs for calculating Littlewood-Richardson coefficients |
| Sub Section | math |