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All trademarks, service marks, and logos used on the NCTM Illuminations Web site are the trademarks, service marks, or logos of their respective owners; use of which does not imply endorsement by NCTM or the mark owner.

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The USER assumes all responsibility for use of the NCTM Illuminations Web site. The USER waives all claims against the National Council of Teachers of Mathematics, its officers, directors, employees, suppliers, and programmers that may arise from the utilization of the NCTM Illuminations Web site. The USER acknowledges, by use of the NCTM Illuminations Web site, that your use of the site is at your sole risk, that you assume full responsibility for all costs associated with all necessary servicing or repairs of any equipment the USER uses in connection with the NCTM Illuminations Web site content, both online and off-line, and that the National Council of Teachers of Mathematics shall not be liable for any damages of any kind related to your use of this site.

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While all reasonable attempts are made to ensure the accuracy of the information, neither the National Council of Teachers of Mathematics, nor its information contributors can be held responsible by USER for the accuracy of the information found in the NCTM Illuminations Web site.

The National Council of Teachers of Mathematics makes no expressed or implied warranty as to the accuracy or merchantability of content or programming. Although our Selected Web Resources have been carefully reviewed by our panel, NCTM is not responsible for the content on these external sites.

Correction of Errors
The information on the NCTM Illuminations Web site may contain typographical errors or inaccuracies and may not be complete or current. We therefore reserve the right to correct any errors, inaccuracies, or omissions and to change or update information at any time without prior notice

Limitation of Liability
The National Council of Teachers of Mathematics, its employees, directors, officers, agents, vendors, or suppliers will not be liable for any losses or damages including, but not limited to, direct, indirect, incidental, consequential, exemplary, punitive, or otherwise, arising out of or in connection with the use of or inability to use the NCTM Illuminations Web site. If the USER is dissatisfied with the NCTM Illuminations Web site or any content on the site, or with the NCTM Illuminations Terms of Use, the USER'S sole and exclusive remedy is to discontinue using the NCTM Illuminations Web site.

NCTM Policies
The mission of the National Council of Teachers of Mathematics is to provide the vision and leadership necessary to ensure a mathematics education of the highest quality for all students. The NCTM Illuminations Web site is devoted to providing Internet resources to improve the teaching and learning of mathematics in grades pre-K through 12. The views expressed or implied on this Web site, unless otherwise noted, should not be interpreted as official positions of the Council.

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You may use the NCTM Illuminations logo, found only at http://illuminations.nctm.org/content/info/link.asp as a link-button only under the following conditions. The logo may not be altered or reproduced. The logo may not be used in any other manner. In particular, the logo may not be used to imply an endorsement by NCTM of your site.

Permission for any other use of this logo or of NCTM Illuminations content must be cleared separately through the National Council of Teachers of Mathematics. NCTM requires notification if the nature of your Web site changes from what it was at the time of this request.

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