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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).

  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 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

Advertising Privacy Statement

This Site is affiliated with AdThrive, LLC (“AdThrive”) for the purposes of placing advertising on the Site. AdThrive uses standard and widely-available tools for the placement and serving of ads, including those provided by Google, Inc. and its affiliates. We publish interest-based advertisements on the Site; that is, ads that are tailored to reflect your interests. To help understand your interests, AdThrive, Google and our other advertising partners will track your behaviour on our website and on other websites across the Internet using cookies.

A cookie is a file containing an identifier (a string of letters and numbers) that is sent by a web server to a web browser and is stored by the browser. The identifier is then sent back to the server each time the browser requests a page from the server. Cookies may be either "persistent" cookies or "session" cookies: a persistent cookie will be stored by a web browser and will remain valid until its set expiry date, unless deleted by the user before the expiry date; a session cookie, on the other hand, will expire at the end of the user session, when the web browser is closed. Cookies do not typically contain any information that personally identifies a user, but personal information that we store about you may be linked to the information stored in and obtained from cookies.

By using this Site, you consent to the use of such cookies and the sharing of data captured by such cookies with AdThrive, Google, and our other third party partners. You can view, delete or add interest categories associated with your browser by visiting: You can also opt out of the network cookie using those settings or using the Network Advertising Initiative's multi-cookie opt-out mechanism at: However, these opt-out mechanisms themselves use cookies, and if you clear the cookies from your browser your opt-out will not be maintained.

For European Economic Area Residents

If you reside in a country in the European Economic Area (EEA), then under the GDPR and applicable data protection laws you have the rights, among other things, to access your personal data, have us erase it, and/or restrict its further processing. If you wish to access or delete your personal data (if any) maintained by us or AdThrive related to advertising on the Site, you can contact us at [email protected] and contact AdThrive at [email protected] If you wish to see a list of the advertising partners we work with or change which of those partners track your behavior using cookies, click the ad preferences link at the bottom of the site. (Available in the EU.)

For California Residents

California law gives residents the right to opt out of the “sale” of their personal information to third parties, including for advertising purposes. Under California law, the sharing of your information with a service provider for advertising purposes could be considered a “sale.” To opt out of the sharing of your information for advertising information, click the opt out link provided in the footer of this page. You also have the right to request from us the categories of personal information that we have shared and the categories of third parties to whom the information was provided. To make such a request, please contact us at [email protected] To be clear we do not share your name, contact information, or any other sensitive information with third parties, and the categories of third parties that we share information with for advertising purposes are supply side platforms, programmatic advertising exchanges, and demand side platforms.

Privacy policies of linked sites

Throughout IntMath and SquareCirclez there are links to other sites, including sponsored links from time to time, independent of IntMath. These sites will have their own Privacy Policies and users are encouraged to read those policies before sharing personal information on those sites.

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

Please use the Comments facility to raise any concerns you may have about your privacy on Interactive Mathematics.


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