# Plane Geometry Software

Many files of various math software are used on this site and can be downloaded free.

## Mathematica

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: http://wolfram.com/

## GeoGebra

GeoGebra is a interactive plane geometry software.

GeoGebra home page: http://www.geogebra.org/.

As of , there are ~60 GeoGebra files in this project.

## Geometer's Sketchpad

Geometer's Sketchpad (GSP) is a interactive plane geometry software.

Geometer's Sketchpad Closed Shop? Free Download!

There are about 117 GSP files on this site.

For the Mac, here's 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 Geometry

Cabri Geometer II is a interactive plane geometry software.

Cabri Geometer II home page is http://www.cabri.com/

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.

## Graphing Calculator

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.