Who we are

Our website address is:

  • https://www.mathematicaltasks.org
  • https://www.mathematicaltasks.org

What personal data we collect and why we collect it


When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection.


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.


If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

We also use or may use cookies and/or web beacons to help us determine and identify repeat visitors, the type of content and sites to which a user of our site links, the length of time each user spends at any particular area of our site, and the specific functionalities that users choose to use. Essentially, cookies are a user’s identification card for our servers. Web beacons are small graphic files linked to our servers that allow us to track your use of our site and related functionalities. Cookies and web beacons allow us to serve you better and more efficiently, and to personalize your experience at our site. Cookies and web beacons are not used to retain Personally Identifiable Information. From time to time we may also use additional methods of collecting data. 

Embedded content from other websites

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.


This website uses Google AdWord remarketing service to advertise on third party websites (including Google) to previous visitors to our site. It could mean that we advertise to previous visitors who haven’t completed a task on out side, for example using the contact form to make and enquiry. This could be in the form of an advertisement on the google search results page, or a site in the Google Display Network. Third-party vendors, including Google, use cookies to serve ads based on someone’s past visit to MathematicalTasks.org website. Of course, any data collected will be used in accordance with out own privacy policy and Google’s Privacy Policy.

We use third-party service providers, including Google, which use cookies and similar technologies to collect and analyze information about use of our websites and mobile applications and in-store technologies. This service may also collect information regarding the use of other websites, apps and online resources. You can learn about Google’s practices at http://www.google.com/policies/privacy/partners/, and opt out by using the Google Analytics Opt-Out Browser Add-on, available at https://tools.google.com/dlpage/gaoptout

Personally Identifiable Information

This Privacy Policy serves as notice that we collect Personally Identifiable Information in the manner described herein. Such information may include but is not limited to: username, email address, home address, postal code, gender and year of birth. We collect Personally Identifiable Information that you provide to us when you sign-up for email updates, use services through our site, participate in our public forums, send us email messages, and/or or otherwise contact us. In order to subscribe to services, you may be required to provide us with Personally Identifiable Information such as your user name, name, postal address, and email address. You may also be asked to provide demographic information such as date of birth, gender and educational and vocational information. We may also receive Personally Identifiable Information when you access or log-in to a third party site, e.g., Facebook, from our site. This may include the text and/or images of your Personally Identifiable Information available from the third party site. Personally Identifiable Information shall not include any information posted or sent by or to you via any public forum.

Who we share your data with

Please take some time to familiarize yourself with the different ways we use and may disclose the information that we gather. We do not share your Personally Identifiable Information with third parties for their direct marketing use.

Non-Personal Information

We use Non-Personal Information in aggregate form to build higher quality, more useful services by performing statistical analyses of the collective characteristics and behavior of our users, and by measuring demographics and interests regarding specific areas of our site. Such aggregate information may include but is not limited to video player interactions, views of posts, views and actions on pages, assessment results and completion rates and assignments. We may share Non-Personal Information with service providers and others to assist us in operating and enhancing our programs and site.

Personally Identifiable Information

Among other things, we may use the Personally Identifiable Information that you provide to respond to your questions, provide you the specific course and/or services you select, send you updates about online courses offered by us or other events, and send you email messages about site maintenance or updates. Except as set forth in this Privacy Policy or as specifically agreed to by you, we will not disclose any Personally Identifiable Information we gather from you on the site. In addition to the other uses set forth in this Privacy Policy, we may disclose and otherwise use Personally Identifiable Information as described below.


We use Personally Identifiable Information collected when you sign-up for our various email or update services to send you the messages in connection with the site or an online course. We may also archive this information and/or use it for future communications with you.

Communications with Us

When you send us an email message or otherwise contact us, we may use the information provided by you to respond to your communication and/or as described in this Privacy Policy. We may also archive this information and/or use it for future communications with you.


For purposes of research, we may share information we collect from online learning activities, including Personally Identifiable Information (“PII”), with other researchers. However, your PII will only be shared as permitted by applicable law, will be limited to what is necessary to perform the research and will be subject to an agreement to protect the data. We may also share with the public or third parties aggregated information that does not personally identify you. Similarly, any research findings will be reported at the aggregate level and will not expose your personal identity.

Third Party Sites

We use the Personally Identifiable Information collected from third party sites for research and teaching purposes. To the extent such Personally Identifiable Information contains images of you; you grant us a limited, non-exclusive right to use, reproduce, distribute, prepare derivative works of or publicly display such images and/or your likeness for educational purposes.

Government Authorities, Legal Rights and Actions

We may share your Personally Identifiable Information with various government authorities in response to subpoenas, court orders, or other legal process; to establish or exercise our legal rights or to protect our property, rights or safety or the property, rights or safety of others; to prosecute or to defend against legal claims; or as otherwise required by law or applicable regulations. In such cases we reserve the right to raise or waive any legal objection or right available to us. We also may share your Personally Identifiable Information when we believe it is appropriate to investigate, prevent, or take action regarding illegal or suspected illegal activities; to protect and defend the rights, property, or safety of the site, our users or others; and in connection with our Terms of Use and other agreements.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Updating or Deleting Your Personally Identifiable Information

You may update or delete your Personally Identifiable Information by logging into the site and visiting your user account page. Keep in mind, however, that there will be residual information that will remain within our databases, access logs and other records, which may or may not contain your Personally Identifiable Information.

Opt-Out Rights

If you do not wish to receive information or other notices from us in the future, you can “opt out” by following the “unsubscribe” instructions in any communication you receive from us. Please be aware that you are not able to opt out of receiving communications about your account or your transactions with us.

Where we send your data

Visitor comments may be checked through an automated spam detection service.

Your contact information