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Privacy and Cookies Policy

Interactive Mathematics does not sell or give away your personal information, ever. Your right to privacy is paramount.

The information that you provide (when leaving a comment or asking a question) stays with Interactive Mathematics.

Summary of Information Collected & Used

IntMath may keep some, or possibly all, of the following information about visitors:

All visitors

Any information kept on general visitors is anonymous. That is, no names or emails or any other personally identifying information is known, or kept in relation to this class of information (anonymous and passive).

We use Google Analytics to analyze the use of our website. Google Analytics gathers information about website use by means of cookies. The information gathered relating to our website is used to create reports about the use of our website. Google's privacy policy is available at:

  1. Pages visited in IntMath and SquareCirclez blog (via server logs)
  2. External referer site (where visitors came from)
  3. Activity while on certain pages (to improve usability and value of pages)

This information is used only to improve the layout and usability of the site, and a balance between effectiveness of advertising and usefulness of the articles.

The data logs, including Google Analytics information, are never shared with any other party, and never will be.

IntMath Services Customers

We may process information relating to transactions, including purchases of goods and services, that you enter into with us and/or through our Site ("Transactional Data"). The Transactional Data may include your contact details, your card details and the transaction details. The transaction data may be processed for the purpose of supplying the purchased goods and services and keeping proper records of those transactions. [Payment processing on our Site is handled by our payment services providers, Stripe, Inc. We will share transaction data with our payment services providers only to the extent necessary for the purposes of processing your payments, refunding such payments and dealing with complaints and queries relating to such payments and refunds. You can find information about the payment services providers' privacy policies and practices at

IntMath Newsletter Subscribers

The following personal information is kept to facilitate functioning of the Newsletter:

  1. Name (as provided by the user)
  2. Email address
  3. Country (as determined from IP address of the computer used by the subscriber)
  4. Type of visitor (either student, teacher, parent, retired) via self-nomination
  5. Any comments, requests or suggestions made by the user when subscribing, or subsequently

This information is used to continuously improve the usefulness of the Newsletter to subscribers.

We also take note of the most popular stories in each Newsletter, via clicks to those stories, to evaluate the interest level of different types of articles with the aim of continuous improvement.

The Newsletter subscribers list has never been shared with any other party, and never will be.

Email Privacy

Your email address is never displayed on Interactive Mathematics or on the associated squareCircleZ blog. Everyone hates spam!


Sometimes cookies are placed on your computer to improve the functionality of the site. A cookie is a small text file that sits in your browser's cache. These cookies will not store personal information about you and will not be used in a malacious way. They may track your activity on other sites.

How to change your cookie settings: The browsers of most computers, smartphones and other web-enabled devices are typically set up to accept cookies. If you wish to amend your cookie preferences for IntMath, you can do this through your browser settings. Your browser's "help" function will tell you how to do this. However, please remember that cookies are often used to enable and improve certain functions on our site. If you choose to switch certain cookies off, it is likely to affect how our site works.

For more information about how to disable cookies, visit


This Site is affiliated with CMI Marketing, Inc., d/b/a Raptive ("Raptive") for the purposes of placing advertising on the Site, and Raptive will collect and use certain data for advertising purposes. To learn more about Raptive's data usage, click here:

Server hosting company's Privacy Policy

IntMath is hosted on LiquidWeb servers in Phoenix, AZ, USA. We strictly abide by their Privacy Policy

Questions or Concerns

If you have any questions about this Privacy Policy or the practices of this site, please contact us at [email protected]

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