v3.2 [Jan 19, 2017]
Now it is free.
v3.1 [Apr 1, 2008]
*New 2D and 3D graph system with many new features
*Workspace with spreadsheet editor and data import/export
*Local and global multivariable optimization
*Statistical analysis and data fitting
*Different data plots: histograms, spectrums, lag plot, autocorrelation plot, etc.
*Toolboxes are now available for evaluation.
