It supports multitouch so they can draw with multiple fingers, and is sensitive to the pressure to make lines thinner or thicker.
When you select a color it says the color in English or Spanish.
To delete just shake the device.
And it is Lucas' Whiteboard because I made it for my son Lucas whose birthday is March 8. But Lucas is a good boy and he want to share it with you.
It uses the quadratic formula for giving the exact solutions of quadratic polynomial (thus it works as a quadratic equation solver)
No warranty, use at your own risk.
Keywords: Polynomial, equation solver, quadratic equation solver, cubic solver.