!! used as default html header if there is none in the selected theme.
--- Introduction ---
SQRT draw is a graphical exercise on
roots of complex numbers.
The server shows you the positionning of a complex number z on the complex
plane, then with the help of a java applet, asks you to locate the
positions of (square, cubic, etc.) roots of z, by clicking over.
You will have a score according to the precision of your drawing.