Who are we

Our site is: http://math.chnu.edu.ua

What personal data we collect and why we collect them


When visitors leave comments on the site, we collect the data displayed in the form of comments, as well as the visitor IP addresses and user agent browser line to help detect spam.

An anonymous line created at your email address (also called a hash) can be provided to Gravatar to find out if you are using it. The Gravatar privacy policy is available at https://automattic.com/privacy/. After approving your comment, your profile image will be visible to the public in the context of your comment.

Media files

If you upload images to a website, you should avoid downloading images with embedded location data (EXIF GPS). Visitors to the site can download and retrieve any location data from images on the site.

Contact forms


If you leave a comment on our site, you can enable saving your name, email address and site in cookies. This is for your convenience, so you do not need to re-fill your data when you leave the next comment. These cookies will be kept for 1 year.

If you have an account and you are logged in to this site, we will install a temporary cookie to determine if the browser accepts cookies. This cookie does not contain any personal information and is deleted when you close your browser.

When you log in, we will also install multiple cookies to save information about your login and screen settings. Login cookies are stored for 2 days, and the cookie files for the screen settings are 1 year. If you choose “Remember me”, your login will be kept for 2 weeks. If you log out of your account, the cookie logins will be deleted.

If you edit or publish an article, your additional browser cookie will be saved in your browser. This cookie does not contain any personal data, and simply specifies the identifier of the article you just edited. It expires in 1 day.

Built-in content from other websites

Articles on this site may contain embedded content (for example videos, images, articles, etc.). Embedded content from other sites behaves in the same way as if a user visited another site.

These sites may collect data about you, use cookies, embedded third-party tracking applications, and monitor your interaction with this embedded content. In particular, track the interaction with the embedded content if you have an account and you are logged on to this site.


With whom we share your data

How long do we save your data?

If you leave a comment, he and his metadata are stored indefinitely. Therefore, we can automatically determine and approve each subsequent comment instead of keeping it in a queue for moderation.

For users who log in to our site (if any), we store the personal information they provide on their user profile. All users can view, edit, or delete their personal information at any time (except that they can not change their username). Site administrators can also view and edit this information.

What rights do you have regarding your data?

If you have an account on this site or you have submitted comments, you can request the exported file of personal data that we store about you, including all the data that you provided to us. You may also require that we erase any personal data that we have regarding you. This does not include any data that we are required to keep for administrative, legal and security reasons.

Where do we send your data

Visitor comments can be checked by using the automatic spam detection service.

Your contact information
Additional Information
How We Protect Your Data

What procedures are used against data loss
From which third parties we receive data
What automatic decision is made and/or profiling we make with user data
Requirements for the disclosure of sectoral regulatory requirements