In particular, you are reminded to carefully read this SymEditor User Agreement (hereinafter referred to as the "Agreement") before registering as a SymEditor user to ensure that you fully understand the terms and conditions of this Agreement. Please read carefully and choose to accept or not accept this agreement. Unless you accept all the terms of this agreement, you have no right to register, log in or use the services covered by this agreement. Your registration, login, use and other behaviors will be deemed to accept this agreement and agree to be bound by the terms of this agreement.

1. Definition and scope of application

• This agreement provides for the rights and obligations between SymEditor and you regarding your use of the SymEditor software services.
• The narrow "SymEditor" product includes client applications and websites with the corresponding domain name mathfuns.com. The broadly defined "SymEditor" product also includes software, products, services, etc. related to and derived from the narrowly defined "SymEditor" product. The understanding of the connotation and extension of SymEditor products should be reasonably judged according to specific circumstances.
• User: refers to all users who directly or indirectly obtain and use SymEditor software, products and related services.

2. Rights and obligations of users

• Users must download, install and use SymEditor through legal channels (including but not limited to major application markets and official websites), which is the prerequisite for you to obtain SymEditor permission to use.
• The service content enjoyed by users is provided by SymEditor according to the actual situation, and has the right to add, delete, modify, or adjust from time to time, including but not limited to editing, saving, exporting and other functions.
• The communication traffic cost incurred when using is borne by the user.
• Users should keep their accounts and passwords properly, and shall not transfer, lend, rent, sell or share them with others.
• The services provided within SymEditor are divided into free and fee-paying services. SymEditor has the right to change the content of the free service at this stage to a fee-based service at any time according to the adjustment of the policy. If such changes occur and the user does not agree, he can stop using the service. For the content of the paid services, the right to determine the price of such services will be adjusted from time to time. If the user does not agree with the adjusted price, the user can stop paying for the paid service after the expiration of the original paid service. If the user continues to purchase the fee-based service after adjusting the price and making it public, it is deemed that the user agrees to the adjusted price.
• SymEditor will provide preferential policies or carry out preferential activities for paid services from time to time, and has the right to decide whether to provide preferential policies or carry out preferential interactions, as well as the content, conditions and validity period of preferential policies or preferential activities, and from time to time to time.

3. Service content

• Interactive and visual formula editing

• Support multiple symbol editing

Common, arrows, Greek characters, geometric symbols, relational symbols, sets, matrices, integrals, etc.

• Support sharing LaTex, Png, collaborative document editing with Word, Markdown, etc.

• Support LaTex and MathML code editing and execution

4. Disclaimer and compensation statement

• Please keep your account password properly during use, do not inform others, and avoid unnecessary losses to you.

SymEditor has the right to exemption if the user data is leaked, lost, stolen or tampered with for any of the reasons listed below.

• Any force majeure cause that affects normal browsing of the network, such as temporary shutdown caused by government regulation
• Causes of any computer system problems, hacking, computer virus intrusion or attack
• If any account or bank card information is leaked due to network security problems, the risk may cause economic losses to the user, and the user promises to bear the responsibility of investigating the infringer
• Any leakage, loss, theft or tampering of user data caused by the user's personal reasons, etc.
• Perform regular or irregular overhaul or maintenance of the SymEditor platform or related equipment, if the service is interrupted within a reasonable time due to such circumstances.
• Other reasons that cannot be attributed to the company

5. Other

• Solemnly remind users of the clauses in this agreement that exempt SymEditor from liability and restrict users' rights. Please read carefully and consider risks independently.
• The law of the People's Republic of China shall apply to the signing, entry into force, performance and dispute settlement of this agreement. All disputes or disputes arising from or related to this agreement shall first be settled through friendly negotiation. If consultation fails, disputes or disputes shall be submitted to the jurisdiction of the relevant arbitration committee.
• Any provision of this Agreement is invalid or unenforceable for any reason, and the remaining terms remain in force and binding on both the User and SymEditor.
• SymEditor has the final right to interpret this agreement, including the rules formulated on this agreement.
• User comments and suggestions can be reached at mathfuns@hotmail.com