SILICONGRAPHICS

COMPUTER SYSTEMS COMPRISING SOME OR ALL OF THE FOLLOWING; INTEGRATED CIRCUITS, OUTPUT DISPLAYS, INPUT UNITS, COMPUTER OPERATING PROGRAMS AND COMPUTER PROGRAMS FOR CONCEPTUAL DESIGN ANALYSIS AND SIMULATION OF THREE DIMENSIONAL OBJECTS IN COLOR GRAPHICS AND INSTRUCTIONAL MANUALS SOLD THEREWITH, AND PRINTED CIRCUIT BOARDS, AND PARTS FOR ALL OF THE FORGOING