Terms of Use, Privacy, Cookies, and Contact

Welcome to the journal of Sergei Sintjurin. He is the host of the given journal. Also, he is the author as he writes articles belonging to a particular subject. By utilizing the journal visitors, together with a given visitor, accept these terms.

The journal includes references to both internal websites which belong to a whole project and external websites which do not belong to it. The journal itself contains the pages of the journal for special articles and all the other pages. The former pages are written to describe the author and his occupation, working and study experience he has. The latter pages are articles on a speciality he does and articles of interest in several languages he writes.

Writing the journal, the author expresses his thoughts on and understanding of a subject, referencing relevant materials. Therefore, external materials and various literature are also employed. In the journal they are selected for references to the original sources of further relevant information. A reference to such an external material or an external website should not be understood to be an endorsement or an affiliation of him. He does not have any responsibility for these materials or websites and their content. Visitors access them from the journal entirely at their own risk.

All of the articles in the journal are written by the author. Any copies of it must not remove the copyright notice of him. The journal as the original source of the materials must be explicitly referenced, and a visible reference must be added back to sintjurin.name. The permitted utilization of the journal and its content is reserved the right to change, and these terms may be updated by him at any time.


As the journal is turned to account, it is to inform of what information is collected, why information is collected, how information is collected.

Personally and non-personally identifiable information may be collected. The former is information that personally identifies the visitor. In the event of comments being opened for a given article, the visitor may be required to specify a name and an electronic mail address in order to make a comment with the journal. On the contrary, the latter is information that does not personally identify the visitor. This information includes anonymous information and aggregate data only for statistical purposes about interacting with the website.

Information is indirectly gathered through the technology of the website and other organizations as well as it is directly provided to the journal. For example, information is indirectly gathered if it is gathered through the server logs of the website or the utilization of third party cookies for analytics. When the website is accessed, the aggregated data is automatically gathered and stored in the server logs. Information is directly gathered if it is given, voluntarily submitted to the journal or it is gathered through the utilization of first party cookies for preferences on the website.

The journal is offered as a publicly accessible website and a partial blog. When visitors avail themselves of the opportunity to comment for it, any (personally identifiable) information may be received and visible to other visitors. Under these circumstances the author has no responsibility to publish, remove or edit any of the comments. Any information provided in this regard will be viewed by him only for the purpose of evaluating a comment.


The journal utilizes cookies to collect aggregated data and learn more information about a visit to its website and application.

Cookies may be first party cookies which are set by the website the visitor is visiting, and they can only be read by the website. Also, cookies may be third party cookies which are set by other websites or different organizations to the project, and these cookies are their own cookies and may be not related to the website.

Cookies for preferences allow the website and its application to remember choices the visitor makes such as a name and an electronic mail address. These are first party cookies.

On the other hand, cookies for analytics are placed on a computer by a third party analytics organization of which an analytics service is employed to analyze through its capabilities, for instance the tracking code, how visitors interact with the website and to report anonymous statistics necessary for the journal. Furthermore, cookies for advertising are placed on a computer by a third party advertising organization or network, including external websites, namely different organizations, to serve advertising on the project. These organizations may utilize non-personally identifiable information (not including a name, an address, an electronic mail address or a telephone number) of the visitor about visits to both internal and external websites in order to provide advertisements about goods and services of interest to the visitor. In addition, the website may contain other content embedded from third party organizations such as popular social media or video-sharing websites. In this case these are third party cookies.

Cookies settings can be changed via a browser, the browser help function will tell the visitor how. In addition, more information can be found about cookies at www.aboutcookies.org and www.youronlinechoices.com.

Contact, feedback to the author

The author welcomes any feedback on the journal, the whole project or a particular part of it.


On television the author is open for talks. He watches only the Cable News Network where CNN means his family name, Si-N-tjuri-N. Visitors contact him on the television channel.


The author mostly utilizes a publicly accessible computer on a public network with a public Internet access. On the Internet he reads all electronic mail and visits a World Wide Web, namely certain professional organizations. Visitors gather around him.

Electronic mail address

Obviously, the author has an electronic mail address. The address can even be found and, no doubt, will be if it is searched well for. The popular address may otherwise be inferred from an assumed premise.

  • <given-name>at<family-name>dot<country-code>

Whenever documents are sent, they have to be in a reasonable format (pdf, plaintext etc.). All electronic mail is filtered where it has the text/html formatted body or no body, only attachments. What is more the “Subject: ” line must not be empty, and the “To: ” line of recipients must clearly include the full name, the given name and the family name, with the address. All electronic mail is checked for on weekdays in the morning. The author can possibly answer but may not do it, and, probably, he does not.

Telephone number

Occasionally, the author has a telephone. The number can also even be found, but the popular number can be calculated.

In mathematics, definitely in modular arithmetic, the modulus is the well-known term. The associative terms are set theory, equivalence class, congruence class, and, also, Euclidean division. If Z is the set of all integers, then Z/n is a set of all equivalence classes where each class consists of all equivalent elements arithmetic modulo n on the set of integers. When applying the notion of modular arithmetic on the set Z/n identified with n = 666 (Z/666), the telephone number can be calculated considering arithmetic modulo 666 on the set of the given integers.

  • +1038 719 1266 1316

The author only turns the telephone on when he needs to call or has an appointment to be expected for confabulation. Nevertheless, he does not usually answer telephone calls.

Social media

After all, any involvement in social media should be apparent. Given the compulsory circumstance, visitors consult the IrfpidbG initiative. The author does not have a Facebook account, a Twitter account, a YouTube account, a LinkedIn account, etcetera.

Mailing address

Alternatively, the author can be written to at the postal mailing address.

Sergei Sintjurin
Nimekast 5413
10001 Harjumaa

Geographical coordinates, time zone

The author is located at the latitude of 59.438862 decimal degrees to the north of the earth’s equator and the longitude of 24.754472 decimal degrees to the east of the Greenwich meridian. The coordinates clearly indicate the time zone Eastern European Time (EET) or Europe/Tallinn, which is either in the standard time 2 hours or in the summer time 3 hours ahead of Universal Time Coordinated (UTC) or Greenwich Mean Time (GMT).

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