4ti2 software package provides mathematical tool suite for problems on linear spaces -- tools, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install 4ti2
4ti2 is installed in your system.
Make ensure the 4ti2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep 4ti2 *
You will get with 4ti2 package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Mathematics |
| Package | 4ti2 |
| Version | 1.6.7+ds-2+b2 |
| Description | mathematical tool suite for problems on linear spaces -- tools |
| Sub Section | Math |