GMatH is the GNOME Mathematical Interface. It currently provides Numerical Python and Yacas with a nice GUI. It also has basic data visualization using the gtkplot widget.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Viele Bugfixes, ein Fehlerbericht einreichen, um auf Bug-Tracking-System für die Verbindung zu GMatH ein Aufruf zum Bug-Reports, Datenvisualisierung und zahlreiche kleine Verbesserungen.
Many bugfixes, a submit bug report button to connect to bug tracking system for GMatH, a call for bug reports, basic data visualization, and numerous little enhancements.