Cookies policy and privacy policy

Cookies policy and privacy policy

Cookies policy and privacy policy

Protection of personal data

Regulation (EU) 2016/679 of the European Parliament and of the Council, of April 27, 2016, regarding the protection of natural persons with regard to the processing of personal data and the free circulation of these data GDPR EU


In order for this site to function properly, we sometimes install small data files, known as cookies, on users' devices. Most of the big websites do too.

What are cookies?

A cookie is a small text file that websites install on the computer or mobile device of the users who visit them. Cookies make it possible for the website to remember the actions and preferences of the user (login identifier, language, font size and other display preferences), so that the user does not have to reconfigure them when returning to the site or browsing its pages.

How do we use cookies?

We use our own cookies to improve the service of this page.
We write a cookie called "poll_X" where X is replaced by a poll number. This cookie is written for one year, we know that the customer voted in the survey.
We write a cookie called "csrftoken". This cookie is used to pass security of the forms.
We use THIRD PARTY cookies, Google analytics and other services Google Inc.

AdSense, AdExchange and the privacy policy

The full google adsense privacy policy:

Google analytics

The complete privacy policy of Google Inc. (Analytics):

How to control cookies

You can control or delete cookies whenever you want: for more information, see . In addition to being able to delete all cookies that are already on your computer, you can also configure most browsers to stop accepting them. But keep in mind that if you decline cookies, you may have to manually reconfigure your preferences each time you visit a site and certain services and features may stop working. If you prefer to restrict, block or delete cookies from this website, you can do so by modifying the browser settings installed on your computer.
For more information about the Edge browser, click here
For more information about the Firefox browser, click here .
For more information about the Opera browser click here .
For more information about the Google Chrome browser, click here .
For more information about the Safari browser click here .

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The encyclopedia of natural numbers, random number generators, Romans, primes etc. looks for all the information about the numbers from the science and pseudosciences. Scientific information is marked with colors green, blue and brown. The pseudoscientific information (numerology, astrology, ...) is marked with color pink. Read more ...

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