9 computers, computer disc drives, computer monitors, computer digitizing terminals, computer keyboards, computer printers, X-Y plotters, Computer Aided Engineering (CAE) systems for circuit design comprising computers and computer peripherals; Computer Aided Design (CAD) systems for circuit layout comprising computers and computer peripherals; Computer Aided Manufacturing (CAM) system for integrated circuits comprising computers and computer peripherals; computer programs pre-recorded on magnetic tapes, hard discs, CD-ROM, and memory cards, all for use in CAE/CAD/CAM systems and instruction manuals for same sold as a unit with the relevant system