Terms of Use for Dongbook
Welcome to Dongbook.
These Terms of Use govern your access to and use of the Dongbook website, including its calculators, tools, articles, and other content.
By accessing or using Dongbook, you agree to these Terms of Use.
If you do not agree with these terms, please discontinue use of the website.
1. About Dongbook
Dongbook provides online calculators, date-related tools, informational content, and related website features.
The website is intended to provide general informational and calculation assistance.
Dongbook is not a substitute for professional advice or official records.
2. Acceptable Use
You agree to use Dongbook only for lawful purposes.
You must not use the website to:
- Violate applicable laws or regulations.
- Attempt to damage or disrupt the website.
- Introduce malicious software.
- Attempt unauthorized access to website systems.
- Interfere with other visitors’ use of the website.
- Abuse automated systems.
- Attempt to circumvent website security.
- Use the website for fraudulent purposes.
- Copy or reproduce substantial website content without permission.
3. Calculator Results
Dongbook calculators are provided for general informational and convenience purposes.
Although we make reasonable efforts to provide accurate calculations, results should not automatically be treated as official, legally binding, or professionally certified information.
For official matters, users should verify information with the appropriate authority.
4. No Professional Advice
Information published on Dongbook does not constitute:
- Legal advice.
- Medical advice.
- Financial advice.
- Tax advice.
- Professional advice.
- Official government information.
Users are responsible for determining whether a calculator or article is appropriate for their particular situation.
5. Intellectual Property
Unless otherwise stated, the original text, design elements, graphics, logos, code, layouts, and other materials created for Dongbook are protected by applicable intellectual property laws.
You may use the website for personal and lawful purposes.
You may not reproduce, republish, distribute, sell, modify, or commercially exploit substantial portions of Dongbook content without appropriate authorization.
6. User Communications
If you contact Dongbook, you agree that the information you provide is accurate to the best of your knowledge and does not contain unlawful or harmful material.
We reserve the right to disregard communications that contain spam, malicious content, abusive material, or other inappropriate information.
7. Third-Party Links
Dongbook may link to third-party websites or services.
These links may be provided for convenience or additional information.
Dongbook does not control third-party websites and is not responsible for their content, availability, security, or privacy practices.
Visiting external websites is your responsibility.
8. Website Availability
We aim to keep Dongbook available and functional, but we do not guarantee uninterrupted access.
The website may occasionally be unavailable because of:
- Maintenance.
- Technical problems.
- Hosting issues.
- Software updates.
- Security measures.
- Circumstances outside our control.
9. Changes to the Website
We may modify, update, add, or remove website features or content at any time.
We may also discontinue a calculator or other website feature if necessary.
10. Changes to These Terms
These Terms of Use may be updated from time to time.
Updated terms become effective when published on this page unless otherwise stated.
Your continued use of Dongbook after changes are published indicates your continued use of the website under the updated terms.
11. Limitation of Liability
To the extent permitted by applicable law, Dongbook and its operators will not be responsible for losses or damages arising from reliance on calculator results, informational content, website interruptions, third-party websites, or technical issues.
Users are responsible for independently verifying information when accuracy is important.