relational-cli software package provides Educational tool for relational algebra (command line interface), 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 relational-cli
relational-cli is installed in your system.
Make ensure the relational-cli package were installed using the commands given below,
$ sudo dpkg-query -l | grep relational-cli *
You will get with relational-cli package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | relational-cli |
| Version | 1.2-2 |
| Description | Educational tool for relational algebra (command line interface) |
| Sub Section | math |