Permitted Use
The app is provided for personal study, everyday calculation, engineering assistance and general reference. You may use its calculation, conversion, graphing, matrix, statistics and formula features for lawful purposes.
Restrictions
- Do not use the app for unlawful, infringing or destructive activity.
- Do not attempt to bypass system security or interfere with normal app operation.
- Do not rely on app output as the sole basis for high-risk decisions.
Result Accuracy
The app aims to provide a stable and clear calculation experience, but numerical methods, input format, precision settings, unit selection and device environment may affect results. You are responsible for checking input and verifying important output.
Disclaimer
Calculation results, formula notes and reference content are provided for general informational use only and are not professional, legal, financial, medical, engineering or safety advice.
Local Data
History, bookmarks and variables are stored by the app on device. You can clear this local data in the app. Cleared data may not be recoverable.
Service Changes
App features, interface, formula library and bundled references may change as the product evolves to improve stability, usability and accuracy.