Perform calculations with a basic and scientific calculator, including voice input. Convert currencies with real-time rates for 160+ countries. Calculate mortgage payments and details. Compute taxes, social security contributions, and net income.
Convert units between Chinese and American systems for length, weight, temperature, volume, area, exchange rates, speed, fuel prices, and height. Input values and select units for instant conversion. Save frequently used conversions.
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Browse 3D models and CAD drawings
View and navigate 3D models in various formats including , STL, OBJ, and DWG. Rotate, zoom, and adjust models for detailed inspection. Share models via cloud services. Collaborate on designs with team members. Export views as images or PDFs.
Record daily moods using text, images, or voice with simple formatting and location tagging. Track emotional trends through weekly and monthly mood charts. Share entries in a supportive community with interactive discussions.
