When you make real-time operation demonstrations on computer through a projector or a large screen, you may encounter such awkward situation: Because the mouse pointer is too small, no audience can see it or at least it's difficult to notice its precise location, even a bit hard to find where it is for yourself - you have to locate it depending on moving the mouse. In cases like this, PointerStick can completely solve your problem.

GeoGebra is a dynamic match teaching & learning software from Austria that always wins the international education software awards. It combines the graphing calculator for functions, geometry, algebra, calculus, statistics, 3D math, etc.