The Musimat Library, documented here, implements the data types and operations used by the Musimat Tutorial and Chapter 9 materials.
Musimat is released WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For information on usage and redistribution, and for a DISCLAIMER OF ALL WARRANTIES, see the file, LICENSE.txt, in this distribution. This program is released under the terms of the GNU General Public License available here: http://www.gnu.org/licenses/gpl.txt
"Musimathics" is available here: http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=10916
Gareth Loy's Musimathics website: http://www.musimathics.com/
The Musimat website: http://www.musimat.com/