Terms of Use


MathCoach® is a registered trademark of CSL Associates, Inc.. All Content of the MathCoach® Interactive site, including but not limited to the design, content, graphics, text, characters, logos, button icons, data compilation, software, and learning engines (collectively the “Content”) are the property of CSL Associates, Inc. herein referred to as CSL, a California corporation., and are protected by United States copyright laws and international agreements. Any reproduction in any form of any materials on this website is strictly prohibited.

The Ten Frame Subtraction system is protected by patent #7,052,279 and may not be reproduced in any form without prior written consent.


CSL Associates, Inc., grants you a limited, personal, non-exclusive, non-transferable license to use the software solely to use the service to the extent you have the right to access the service. Your right to access the service will be limited by the terms of this agreement. Except for this license granted to you, CSL retains all right, title, and interest in and to the software, including all related intellectual property rights. Except as otherwise explicitly provided in this Agreement or as may be expressly permitted by applicable law, you will not, and will not permit or authorize third parties to: (a) reproduce, modify, translate, enhance, decompile, disassemble, reverse engineer, or create derivative works of the software and/or services; (b) rent, lease, or sublicense the software and/or services; nor (c) circumvent or disable any security or technological features or measures in the software and/or services. You may not export or re-export the software and/or services without (a) the prior written consent of CSL Associates, Inc; and (b) complying with applicable export control laws and obtaining any necessary permits and licenses.

When you post Content, you hereby grant (or warrant that the owner of the Content grants) us and each user of the Site, Software or the Services a royalty-free, perpetual, irrevocable, fully sublicensable, worldwide, non-exclusive right to use, reproduce, modify, translate, adapt, publish, create derivative works of, transmit, distribute, perform, display, delete (in whole or in part), and incorporate the Content for any purpose and without acknowledgement to you. By posting or providing Content, you represent and warrant that public posting and use of your Content by us and any of our users will not infringe on or violate the rights of any third party.

Restrictions and Agreements

You agree that you will NOT

  1. Impersonate any person or entity or misrepresent your affiliation with any person or entity
  2. Transmit in any form (upload, email, post, or otherwise) any content that infringes patent, copyright, or other intellectual property of others.
  3. Capture, by any means, or assist others to capture by any means any information or content from this site.


CSL Associates, Inc. reserves to right to terminate your password, account, and use of the site, at its sole discretion and for any reason.