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Octave is free software. This means that everyone is free to use it and free to redistribute it on certain conditions. Octave is not in the public domain. It is copyrighted and there are restrictions on its distribution, but the restrictions are designed to ensure that others will have the same freedom to use and redistribute Octave that you have. The precise conditions can be found in the GNU General Public License that comes with Octave and that also appears in Copying.

Octave is available on CD-ROM with various collections of other free software, and from the Free Software Foundation. Ordering a copy of Octave from the Free Software Foundation helps to fund the development of more free software. For more information, write to

Free Software Foundation
51 Franklin Street, Fifth Floor
Boston, MA 02110-1301–1307

Octave is also available on the Internet from, and additional information is available from