gap-core software package provides GAP computer algebra system, core components, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gap-core
gap-core is installed in your system.
Make ensure the gap-core package were installed using the commands given below,
$ sudo dpkg-query -l | grep gap-core *
You will get with gap-core package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Mathematics |
| Package | gap-core |
| Version | 4r7p9-1 |
| Description | GAP computer algebra system, core components |
| Sub Section | Math |