libdeal.ii-8.1.0 software package provides Finite Element Differential Equations Analysis Library, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdeal.ii-8.1.0
libdeal.ii-8.1.0 is installed in your system.
Make ensure the libdeal.ii-8.1.0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdeal.ii-8.1.0 *
You will get with libdeal.ii-8.1.0 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Libraries |
| Package | libdeal.ii-8.1.0 |
| Version | 8.1.0-4 |
| Description | Finite Element Differential Equations Analysis Library |
| Sub Section | libs |