I'm really new to SuSE ... Just installed two days ago .. . Sorry for my trivial questions .. I wonder if there exist a "data analysis" package running on SuSE. I mean I need FFT and some low-pass and band-pass digital filters to get rid of the noise in my simulation data. In addition, I figured out GNUPlot generates good graphs but has poor data fitting features. Mathematica does have this feature ( polynomial, Bezier , etc ...). It's pretty straightforward to fit a curve to data generated by Mathematica. It's not so easy to do that by importing data though. I was wondering whether there exists some code, running on SuSE, that has comprehensive data fitting capabilities and a graphic interface. Something just as simple as EXCEL on Windows would be acceptable. Thank you. Best regards, Maura E.M.