Many files of various math software are used on this site and can be downloaded free.
Mathematica
is a general purpose software for doing mathematics.
There are about 90 Mathematica notebooks on this site, and about 10 Mathematica packages. See
Mathematica Packages for Plane Curves.
Mathematica home page: wolfram.com.
GeoGebra is a interactive plane geometry software. It is free and written in Java and can be used directly in your web browser as java applets. You will need to have Java installed. As of 2008-03, there are 50 GeoGebra files in this project.
GeoGebra home page: http://www.geogebra.org/.
Geometer's Sketchpad
(GSP) is a interactive plane geometry software.
There are currently 117 GSP files on this site. They will be gradually replaced with GeoGebra.
Here are some info about GSP's file type.
| ◇ | MINE type | file name suffix | Mac file type code | Mac creator code |
|---|---|---|---|---|
| sketchs | application/x-gsp | .gsp | GSPb | GSP+ |
| scripts | application/x-gss | .gss | GSPc | GSP+ |
Note: for GSP versions before 4 (roughly before 2001), the file type for sketch files should be “GSPk”, and the creator code should be “GSP!”
Cabri Geometer II is a interactive plane geometry software.
for mor info, see
http://www.cabri.com/.
Cabri files on this site has this icon:
Here are some info about Cabri's file type.
| MINE type | file name suffix | Mac file type code | |
|---|---|---|---|
| figures | application/x-cabri | .fig | FIGU |
| macros | application/x-cabri-macro | .mac | MACR |
There are 24 Cabri files on this site. They will be gradually replaced by GeoGebra.

Graphing Calculator is a program that plots curves and surfaces, with many interactive features that let you move a slider to change paramter. You'll find graphing calculator files with this icon:
. Its file has suffix gcf. It is available for Windows and Mac. Its home page is
http://www.nucalc.com/.
There are 71 gcf files on this site.
Throughout this site you'll find downloadable
QuickTime
movies with an
icon. To view these movies,
you need QuickTime plugin installed.
Download at:
apple.com quicktime.
This website also has documents in Adobe PDF format. (
files names ending in “.pdf” suffix.) You will need “Adobe Reader” to open them. It can be downloaded free at Adobe website:
adobe.com.