Terms of use

1. Purpose and operator

These terms and conditions guide you through the basics of using scientific simulations and related materials on itslabtime.com, operated by Jaemin Lee. We do not restrict users’ rights under relevant laws.

2. Use of services

The experiment can be used for free without membership registration or payment. Requires an internet connection, an up-to-date browser, and JavaScript. Some expressions or operations may differ depending on the performance and functions of the device or browser.

Some functions may be changed or discontinued depending on service improvement, maintenance, failure, or external service circumstances. To the extent possible, we will notify you of upcoming significant changes through the Site.

3. Scope and safety of learning simulations

Experiments are simplified models that help you understand concepts. We do not reproduce all conditions or measurement errors of actual experiments or provide official grades, qualifications, or verification results. When using the explanations and results, please check the assumptions and limitations of each experiment.

Do not use it as the sole basis for professional decisions, including medical, industrial design, or safety judgments. Actual chemical, electrical, radiological, and biological experiments must be performed under qualified instructors and appropriate safety equipment.

4. Copyright and use of materials

The rights to self-created codes, explanations, and illustrations belong to the operator or the relevant rights holder. Sharing links and quoting screens for classes or personal study is permitted as long as itslabtime.com is indicated as the source and the original description is not distorted. Quotation and fair use guaranteed by law are not limited by this provision.

Please contact us in advance regarding redistribution of the entire content, paid sales, or use that may mislead people into thinking that you are affiliated with the operator. Licenses for open source and external materials specified separately are subject to the applicable conditions. Site Font Pretendard SIL Open Font License 1.1It is provided as .

5. Matters to be observed when using

• We will not make unusual large requests, distribute malicious code, or exploit security vulnerabilities to interfere with the Service.
• Do not infringe on the rights of others or impersonate the operator or other users.
• When making inquiries, we do not send unnecessary information such as other people's personal information or account passwords.

6. Personal information and external sites

Personal information and device settings Privacy policyProcessed accordingly. The service contents and operating policies of external links are managed under the responsibility of each provider.

7. Error/Liability and Dispute Resolution

Operators reduce errors in descriptions and models and review reported problems. Legal liability, such as compensation for damages, is subject to relevant laws and regulations, and does not exclude liability resulting from the operator's intent or gross negligence or liability that cannot be limited by law.

Service-related inquiries and objections drendrendrencom@gmail.comPlease send it to Disputes will first be resolved through mutual agreement, and if not resolved, they will be subject to the relevant laws and court jurisdiction of the Republic of Korea.

8. Changes to Terms and Conditions

If usage standards change, the contents of this page and the effective date will be updated, and important changes will be announced on the site before implementation. If necessary, separate information and consent procedures will be carried out in accordance with relevant laws and regulations.