Bob,
Put it on your NEED IT, MUST HAVE IT list.
Scott has done a really good job on this software.
It is invaluable for final check before turning on the machine.
Never had one machine crash if observed with NCPlot first, and fixed the gremlins. Using all expensive solid carbide cutters,in steel, mostly, so exciting $hattering i$$ues are avoided.
Neil
Super X3. 3600rpm. Sheridan 6"x24" Lathe + more. Three ways to fix things: The right way, the other way, and maybe your way, which is possibly a faster wrong way.