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Copyright

ACCESS TO AND USE OF CASTLE LEARNING IS SUBJECT TO THE CASTLE SOFTWARE TERMS OF SERVICE AGREEMENT CONTAINED ON A SEPARATE PAGE OF THIS WEBSITE.

Trademarks

Castle Learning and its logo are trademarks of Castle Software, Inc.

All other marks, names and brands listed herein are trademarks or registered trademarks of their respective owners.


Copyright

The contents of this Website, including but not limited to text, software, photographs, graphics, illustrations, artwork, video, music, sound, names, logos, trademarks, service marks and other material ("Material") are protected by copyright and other laws in both the United States and elsewhere. The Material includes both content owned or controlled by Castle Software (the Company), content owned or controlled by third parties and licensed to the Company, and Public Domain content. You may not sell or modify the copyrighted Material or reproduce, display, publicly perform, distribute, or otherwise use the Material in any way for any public or commercial purpose without the written permission of the Company. Special rules, terms and conditions may apply to the use of certain software and other items provided on the Website. If you would like information about obtaining the Company's permission to use any of the Material on your Website, or, if you would like to link your website to the Website, please contact us.

This Website includes written material and pictures from many different sources. Occasionally it is not possible to determine if a particular source or picture is copyrighted, and if so, who is the copyright owner. If there has been a copyright infringement with any material contained on this Website, it has been unintentional. We extend our sincerest apologies and would be happy to make immediate and appropriate restitution upon proof of copyright ownership.

Lexile® Trademark and Copyright Statement
Lexile®, Lexile Framework®, Lexile Analyzer® and the Lexile® logo are trademarks of MetaMetrics, Inc., and are registered in the United States and abroad. The trademarks and names of other companies and products mentioned herein are the property of their respective owners. Copyright © 2010 MetaMetrics, Inc. All rights reserved.

The Geometer's Sketchpad®
Selected graphics were created with permission using The Geometer's Sketchpad® published by Key Curriculum Press.