Xcas.Xcas.MinGW
2.0.0-3

Xcas is a free computer algebra system for Windows.
Xcas is a Giac interface, which allows computer algebra, graphical
representations in the plane or space, dynamic geometry (in the plane or in
space), spreadsheet, statistics and programming.
Xcas uses the FLTK graphics library, there is an alternative project based on QT: qcas.