Create and analyze mathematical graphs with precise notation display. Edit graphs with color and line style customization. Find coordinates, intersections, and key points like zeros and extrema. Perform domain analysis and use an intuitive keyboard.
Make and receive calls using the 's built-in phone service. Access telephony features including call history and contact management. Connect with other users for free calls.
Monitor and control photovoltaic equipment remotely
Monitor and control photovoltaic equipment remotely using QR codes or manual input. View real-time power generation, cost savings, and operational data. Access historical power output and fault records.