importData("sample-data/sin.dat"); s = activeSpreadsheet(); s.plot2DSimple(); w = activeWorksheet(); p = w.get2DPlot(w.API()); p.setRegionEnabled(); p.setRegion(500,800); w.redraw(); fit = new FitListDialog(); fit.setFunction("a*x*x+b*x+c"); fit.setNrParameter(3); fit.setInitialValue(1,0.123); fit.setInitialValue(2,123.45); fit.setInitialValue(3,1.6e-5); fit.Apply(); // exportEPS("export.eps"); // exit();