Complex sentence: OrCAD is a software tool for computer-aided design (CAD), used mainly to create electronic prints for manufacturing of printed circuit boards and by electronic design engineers and electronic technicians to manufacture electronic schematics and diagrams.
Split into simpler sentences: OrCAD is a software tool for computer-aided design (CAD). OrCad software products are mainly intended to create electronic prints for manufacturing of printed circuit boards and is used by electronic design engineers and electronic technicians to manufacture electronic schematics and diagrams.