Here are some things that may be related to your privacy if you use this website:

This website doesn't use cookies. There are no ads directly on the website.

However, it does have embedded YouTube videos. That means YouTube can (and will) store cookies on your device. YouTube can also show ads. By continuing to use this website, you agree to all relevant YouTube policies.

While the website itself doesn't store any of your data, the hosting provider (Hostinger) has a record of access logs. Access logs contain information about device (operating system, browser, etc.), IP address, country, requested files and date and time of the request.

External links can appear on the website. Usually, those are links to YouTube, but there can be links to other resources.

For displaying mathematical equations, an external JavaScript file is used.