Grace is a point-and-click tool that allows the user to draw X-Y
plots. This is the program formerly known as Xmgr.
A few of its features are: user defined scaling, tick marks, labels,
symbols, line styles, colors. Polynomial regression, splines, running
averages, DFT/FFT, cross/auto-correlation. Batch mode for unattended
plotting. Hardcopy support for PostScript, FrameMaker and several