Computer software contained on digital media, namely, on CD-ROMs and DVD-ROMs, and downloadable computer software, namely, EDA (Electronic Design Automation) software for designing electronic systems such as printed circuit boards (PCB); Computer software contained on digital media, namely, on CD-ROMs and DVD-ROMS, and downloadable computer software for capturing of multi-sheet and multi-level hierarchical schematics; Computer software contained on digital media, namely, on CD-ROMs and DVD-RO...