1. Scope of application
2. How to collect information
We collect information to provide you with better, better and more personalized services. We collect information in the following ways:
Process user-submitted evaluation expressions, application versions, and other information through the HTTPS RESTful API to return the results of the calculation to the customer.
Store the calculated expressions, calculation results and other information locally for users to consult and modify.
Store drawing information locally for users to view and modify.
|Umeng corporation||Statistical analysis||Umeng+SDK||IMEI/android ID/IDFA/OPENUDID/GUID, SIM card IMSI information etc.||https://www.umeng.com/page/policy|
Storage permissions: When you save calculator and geometry sketchpad editing information, you need to store permissions. During your operation of this application, we promise to read or store only the information necessary for the application. Turning off storage permissions will affect the save function, but will not affect other services.
3. How to use information
We use the information collected to provide you with services and improve the quality of services. To this end, we will use your information for the following purposes:
4. Information that may be shared
We do not share your personal information with any other company, organization or individual, except in the following cases:
5. Protection of minors
We attach great importance to the protection of minors' personal information. If you are a minor, it is recommended that you ask your guardian to read this policy carefully and use our services or provide us with information with your guardian's consent.
7. Contact us