Request InfoSynopsys Inc., Optical Solutions GroupVersion 4 of Optical Research Associates' LightTools illumination design and analysis software for the Windows PC platform has a new user interface that is designed to be more intuitive and consistent with other Windows-based programs. Features include navigation windows for quick location of system data, extensive right-click context menus and context-sensitive help, tabbed dialog boxes and spreadsheet-style presentation of analysis results. Other new functions include accurate simulation convergence and Catia data exchange. 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