The content of the lessons posted to the Purplemath.com website, including the contained images, is the copyrighted property of Elizabeth Stapel. While the lessons have been created as a labor of love and are designed to help struggling students find success in algebra, Purplemath is not "in the public domain", and is subject to the following terms and conditions.
Please note that the copyrigh on Purplemath has been registered with the Copyright Office of the United States of America. All Rights Reserved. Violators have been and will be prosecuted according to the Digital Millennium Copyright Act, the Berne Convention, and other applicable statutes.