FX Draw
3 
A Massively Improved Version of the World's Favourite Tool for Mathematics Teachers
The Mathematics Teacher's Drawing Tool
FX Draw 3 is not just FX Draw 2 with a few extra bits - it is a greatly expanded product that will be useful in far more situations than FX Draw 2.
So what's different? The short list is...
FX Draw 3 can be used as a drawing tool for teachers. It can be used as a demonstration tool with a data projector. It can be used with interactive whiteboards to provide a mathematically aware drawing surface. It can be used directly with students to provide a dynamic learning environment where they can easily and interactively investigate most aspects of mathematics. FX Draw 3 is the most useful piece of software a mathematics teacher or student can have on their computer.
More Information ...
Some version 2 samples are shown below. Version 3 samples are shown at this link.
