According to the Scilab website,
- Scilab is a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications.
Scilab is free, open-source software, and is issued with a CeCILL Licence.
The GNU Octave software is available as source code or as binaries for the following operating systems:
- Microsoft Windows (2000/XP/Vista)
- Linux (Packages are available for popular distributions such as Debian/Ubuntu, SuSE and Fedora/Red Hat)
Extensions to the main package are delivered as Scilab Toolboxes developed by the Scilab community.
Scicos is a block diagram editing interface supplied free with Scilab which can be used to perform system simulation.