Terms of Use

Sole proprietor Nikolai Viktorovich Ladanov, hereinafter referred to as the Right Holder, addresses this Agreement to any individual or legal entity (hereinafter the User) who enters into the Agreement by fully and unconditionally accepting all of its terms set out in this document. This document is a public offer (a public proposal). The public offer is accepted (its terms are accepted) by performing the actions provided for by the Agreement (Clause 2, Article 437 of the Civil Code of the Russian Federation).

Definitions
1. The following terms are used in the Agreement:
Subject of the Agreement
1. The Agreement sets out the procedure and terms for using the Site at: https://sheets-academy.org. The subject of the Agreement covers all functions and services of the Site, as well as any of their further development or new additions that are explicitly available.
2. The Right Holder warrants that it holds the exclusive rights to the Site specified in Clause 2.1 of the Agreement. All exclusive rights to the Site belong to the Right Holder.
Acceptance of the Agreement
1. The Agreement is considered concluded once the User has registered.
2. By registering on the Site, the User agrees to receive newsletters with news and promotions at the email address they provided. The User may unsubscribe at any time in the Personal Account settings or via the link in the email.
3. The User registers a Personal Account on the Site as follows:
  1. The User goes to the Site at https://sheets-academy.org
  2. Clicks the "Log in" button at the top of the Site
  3. Then opens registration with the "Sign up" button and enters their email address and a password for the account, or uses an account from a third-party sign-in service offered on the Site, such as VK, Yandex, or Google.
4. By performing the actions to accept the Offer, the User confirms their full and unconditional agreement with all terms of this Agreement and undertakes to comply with them. The Agreement may only be accepted as a whole, without any reservations (Clause 1, Article 428 of the Civil Code of the Russian Federation). The Right Holder and the User are together referred to as the "Parties" and individually as a "Party".
5. This Offer has no specific deadline for acceptance. The Offer is valid from the moment it is published (or otherwise brought to the attention of the Right Holder), and with respect to amendments, from the date the relevant amendments are published, until the day following the day the Right Holder publishes a notice that the Offer is terminated.
6. The Right Holder may change the terms of the Agreement at any time unilaterally and out of court by publishing the changes or a new version of the Agreement at: https://sheets-academy.org/terms-of-use. The changes take effect for the User on the day after they are published, provided that the User continues to use the Site after the changes are published or accepts the updated version of the Agreement. If the User does not agree with the changes, they must stop using the Site.
Rights and Obligations of the Parties
1. The Right Holder undertakes to:
  1. Provide information on using the Site by email and through official social media groups. Current support contacts are published at: https://sheets-academy.org.
  2. Ensure the confidentiality and protection of information about the User and of information the User stores as content.
  3. Advise the User on all matters related to using the Site.
2. The User undertakes to:
  1. Use the Site only within the rights and in the ways provided for by the Agreement.
  2. Keep the access details of their Account secret and not disclose them to third parties.
  3. Keep confidential any information received while cooperating with the Right Holder.
  4. Not use the Site as an object of intellectual property rights in any way not permitted by the Agreement. In particular, it is prohibited to: reproduce the Site by making copies on any tangible medium; modify or make any changes to the Site or its parts; use the Site to create derivative software products; distribute the Site in any way; remove or alter copyright notices; attempt to bypass technical restrictions (technical copyright protection measures) or use the Site in any other way not expressly provided for by the Agreement; decompile, disassemble, or otherwise attempt to extract the source code of the software that is part of the Site; use automated scripts (programs, bots, crawlers) without special permission to collect information on the Site and/or interact with the Site and its features; remove or alter any trademark, logo, copyright notice, or other similar notices on the Site; distribute, sell, sublicense, or use the software that is part of the Site, or otherwise transfer rights to such software; use software or take actions aimed at disrupting the normal operation of the Site.
  5. Immediately inform the Right Holder of all known facts of unlawful use of the Site by third parties.
  6. Respect the property and personal non-property rights of third parties, including copyright and other rights, and rights to use images of people, and post or distribute the intellectual property of Users and third parties on the Site only in full compliance with the law.
  7. Not upload, store, publish, distribute, provide access to, or otherwise use any information that: contains threats, discredits, insults, or damages the honor, dignity, or business reputation of other Users or third parties, or violates their privacy; violates the rights of minors; is vulgar or obscene, contains pornographic images and texts, or sexual scenes involving minors; contains scenes of cruelty to animals; describes means and methods of suicide or incites it; promotes and/or incites racial, religious, or ethnic hatred or hostility, or promotes fascism or the ideology of racial superiority; contains extremist materials; promotes criminal activity or contains advice, instructions, or guides on committing crimes; contains restricted information, including but not limited to state and trade secrets and information about the private lives of third parties; advertises or describes the appeal of using drugs, including "digital drugs" (audio files that affect the human brain through binaural beats), or contains information on distributing drugs, recipes for making them, or advice on using them; may lead to unlawful actions by misleading Users or abusing their trust; violates other rights and interests of individuals and legal entities or the requirements of the legislation of the Russian Federation.
  8. Not send mass mailings to other users of the Site without their consent.
3. The Right Holder has the right to:
  1. Delete the User's Account if the User violates the terms of the Agreement or commits any unlawful actions.
  2. Automatically collect information that contains no personal details and does not allow the User to be identified, in order to understand visitor preferences and the most popular sections of the Site. The collected information cannot identify the User. The User may block the collection and analysis of statistics related to visiting the Site at any time.
  3. If the User violates the Agreement or the Right Holder's exclusive rights to the Site, or violates the rights of third parties using the Site, terminate the Agreement, cut off the User's access to the Site, and take other measures against the User to ensure compliance with the law or with the rights and legitimate interests of third parties.
  4. Delete user content at the request of authorized bodies or interested parties if such content violates the law or the rights of third parties.
  5. Stop providing access to the Site at any time, and partially restrict or stop some functions or services, including for maintenance work on the Site.
4. The User has the right to:
  1. Use the Site within the limits and in the ways provided for by the Agreement.
User License Terms
1. The User is granted a License to use the Site to the extent and in the manner set out in the Agreement, without the right to grant sublicenses.
2. The License covers the following ways of using the Site:
  1. Using the available features of the Site.
  2. Ways of use:
    1. Reading lessons of the Excel course in the "Course" section.
    2. Solving spreadsheet tasks in the "Trainer" section and the practice tasks that follow some lessons in the "Course" section.
    3. Viewing solutions to tasks in the "Trainer" section with a Premium account.
    4. Viewing the user leaderboard.
    5. Viewing basic information about users and their activity on profile pages.
    6. Building spreadsheets with data and formulas in the "Sandbox" section, and sharing the sheets the User has created with the "Share" button.
    7. Downloading earned certificates in the "Certificates" section of the User's Personal Account.
    8. Changing account settings in the "Settings" section of the Personal Account.
    9. Recovering the User's account password.
3. No other rights are granted to the User. In particular, the User may not modify, adapt, distribute, or take other such actions.
4. A Premium account is valid for 6 (six) months from the date of payment. After this period, the account automatically becomes a free account. Certificates earned while the Premium account was active remain available for download with no time limit.
5. At any given time, the Site is provided "as is". The Right Holder does not guarantee that the Site meets or will meet the User's requirements, or that access to the Site will be continuous, fast, reliable, and error-free.
6. The User warrants that they hold all the necessary rights to the materials they publish (user content) that allow them to post the material on the Site and use it further with the Site's features. The User is solely responsible for ensuring that the posted content complies with applicable law, including liability to third parties where posting the content or the content itself violates the rights and legitimate interests of third parties, including the personal non-property rights of authors and other intellectual property rights of third parties, and/or infringes on their intangible assets. If any third party makes a claim against the Right Holder in connection with the User's violation of applicable law or of the rights of third parties (including intellectual property rights), the User undertakes to reimburse the Right Holder for all expenses and losses, including paying any compensation and other costs related to such a claim.
7. The User grants the Right Holder, free of charge, a simple non-exclusive license to use the User Content, with or without the author's name, without the obligation to provide usage reports, without the need to obtain the User's special permission, and without paying royalties, worldwide, with the Right Holder's right to grant these rights to use the User Content to third parties. The User acknowledges and agrees that the Right Holder is not obliged to review the User Content and that it may be used automatically by software. The Right Holder may use the User Content in any way and on any media, including: reproduction by recording to computer memory; distribution, adaptation, making available to the public, and granting the right to use the User Content to third parties; inclusion in advertising materials promoting the Right Holder's services and products as part of a complex or composite work. Such advertising materials with the User Content included may subsequently be used in the following ways: reproduction, distribution, making available to the public, public display, and broadcasting by cable or over the air. The Right Holder may use the User Content on the Site, in its other services and applications, and in advertising or marketing materials placed on any resources. The license is valid indefinitely. When User Content is deleted from the Site, the Right Holder may keep archived copies of the User Content and does not have to withdraw from circulation materials that already contain it.
Processing of Personal Data
1. Before concluding the Agreement, the User, as a data subject or a representative of a data subject, undertakes to read the documents that set out the rules for processing and protecting personal data applied by the Right Holder. The Right Holder processes personal data with the consent of the data subject to provide and process them, or on other legal grounds for processing (for example, to conclude and perform the Agreement and other contracts between the Right Holder and data subjects or the persons they represent).
2. The Right Holder ensures an adequate level of protection of the User's Personal Account against unauthorized access by third parties.
Liability of the Parties
1. The Parties are liable for failure to perform or improper performance of their obligations in accordance with the terms of the Agreement and the legislation of Russia.
2. The Right Holder is not responsible for whether the Site suits the User's purposes.
3. The Right Holder is not liable for technical interruptions in the operation of the Site. At the same time, the Right Holder undertakes to take all reasonable measures to prevent such interruptions.
4. The Right Holder does not guarantee that the Site will meet the User's requirements, and does not guarantee that the Site will work with software and hardware from other manufacturers; does not guarantee that the Site is free of errors; does not guarantee uninterrupted operation of the Site; does not guarantee the safety of the User's data; is not liable for the results obtained from using the Site; and is not liable for direct or indirect losses of any kind incurred as a result of using or not using the Site.
5. The Right Holder has no technical or practical ability to check all information posted by the User on the Site for compliance with the legislation of the Russian Federation and the provisions of the Agreement, since such checks would make the Site impossible to operate. The Right Holder may check such content at its own discretion. The Right Holder cannot guarantee that such content complies with the legislation of the Russian Federation and does not violate the rights and legitimate interests of third parties.
Final Provisions
1. The relations of the Parties under the Agreement are governed by the legislation of the Russian Federation.
Addresses and details of the Parties. Right Holder:
Sole proprietor Nikolai Viktorovich Ladanov
Taxpayer ID (INN): 110122199270
Primary State Registration Number (OGRN): 324110000015827
feedback@sheets-academy.org

Version as of June 27, 2025.