1. What is GeoGebra?
It is free mathematics software. It is a cross platform and open source program for doing dynamic geometry.
It works like a sketch pad - graphic calculator.
Examples
One can also create applets using GeoGebra.

2. What Do You Need? GeoGebra - Online: http://www.geogebra.org/cms/
On PC - folder: JMM2009_GeoGebra
Java –
SeaMonkey – (a web editor)

3. Applets in GeoGebra <=> on Web
create the applet
in GeoGebra
edit the applet
in SeaMonkey
(composer)
Export (save)
the applet
In html
Save

4. Help Online: in GeoGebra: click on help icon and click on ? Offline:
in GeoGebra: click on help icon and click on ?
Offline:
JMM2009_GeoGebra/GeoGebraHelpFiles/GeoGebraHelpEng.pdf

5. Existing Applets - Online
Dr. Mike May, St. Louis University
Dr. Elisha Peterson, West Point

6. My Applets osculating circles of a curve
definite integral and total area
fixed point algorithm
linear combination of two vectors