elementpackage, the portable, introductory Java graphics software, is freely available. You may download and use this software for non-commerical purposes, and redistribute the software provided the McGraw-Hill's copyright notice is distributed with the software.
Here is the text of that notice:
This software and its documentation are Copyright 1999 by McGraw-Hill. All rights are reserved.
Permission to use, copy, modify, and distribute this software
FOR NONCOMMERICAL PURPOSES ONLY
without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting notes and handouts distributed with the software for said noncommercial purposes, and that the name(s) of the author(s) not be used in advertising or publicity of events without specific, written prior permission.
MCGRAW-HILL AND THE AUTHOR DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL MCGRAW-HILL OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.