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Usage Eligibility and Personal Information

Larson Precalculus does not require you to enter personal information, such as email address or other personal identifiers. The only information that Larson Precalculus obtains is voluntarily provided by you to be used in your chat session to answer your math questions.


You agree to use the Larson Precalculus content for lawful purposes only. You agree that you will not in any way disrupt the flow of information, servers, or content.

You agree to treat the tutors and other students with respect. You agree to not use obscenities in the chat room, make threats, or discuss topics not related to your math session.

DoubleClick DART Cookie

• Google, as a third party vendor, uses cookies to serve ads on www.larsonprecalculus.com.

• Google’s use of the DART cookie enables it to serve ads to users based on their visit to www.larsonprecalculus.com and other sites on the Internet.

• Users may opt out of the use of the DART cookie by visiting the Google ad and content network privacy policy at the following URL – http://www.google.com/privacy_ads.html

Some of our advertising partners may use cookies and web beacons on our site. Our advertising partners include Google Adsense.

These third-party ad servers use technology sent directly to your browser from the advertisements and links that appear on Larson Precalculus. They automatically receive your IP address when this occurs. Other technologies (such as cookies, JavaScript, or Web Beacons) may also be used by the third-party ad networks to measure the effectiveness of their advertisements and/or to personalize the advertising content that you see.

Larson Precalculus has no access to or control over these cookies that are used by third-party advertisers.

You should consult the respective privacy policies of these third-party ad servers for more detailed information on their practices as well as for instructions about how to opt-out of certain practices. Larson Precalculus’s privacy policy does not apply to, and we cannot control the activities of, such other advertisers or web sites.

If you wish to disable cookies, you may do so through your individual browser options. More detailed information about cookie management with specific web browsers can be found at the browsers’ respective websites.


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If you are in need of technical support, have a question about advertising opportunities, or have a general question, please contact us by phone or submit a message through the form below.