the easy-pc pcb cad program package system really is easy to learn and use. easy-pc is the brain-child of number one systems ltd and is written for use on an ibm pc, xt, at, pc386 or equivalent computer, including the amstrad 1512 or 1640, and having a cga, ega or vga monitor screen. a minimum of 512 k of ram is required. it has been designed specifically for printed circuit board design, for producing circuit diagrams and all the associated schematic symbols an extensive library of symbols is included with the system and it is extremely easy to add more symbols. one can also readily produce line drawings of a non-electronic nature and complete with textual captions. the features include' complete pcb and circuit diagram design facilities. exceptionally high speed operation. excellent 'what you see is what you get' (wysiwyg}) screen display. multilayer boards with up to eight track layers, top and bottom silk screen overlay details, drilling template and solder resists. selective viewing of any combination of layers. choice of track widths. choice of pad sizes. choice of pad shapes. choice of pad hole sizes excellent track editing facilities. existing tracks can be modified anywhere along their length for both route and width. sophisticated back-up file operating system to maintain disc data protection even in event of power failure while saving. print-out scales at 1/4, 1/2, 1, 2 or 4 times life size. camera-ready artwork can be produced on hpgl, pen plotters or gerber photo-plotters