# Plane Geometry Software

## Mathematica

Mathematica (aka Wolfram Language) is a general purpose software for doing mathematics.

## GeoGebra

GeoGebra is a interactive plane geometry software.

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

## Geometer's Sketchpad

Geometer's Sketchpad is a interactive plane geometry software.

Geometer's Sketchpad Closed Shop?

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!”