Apparatus for computer numerical control of machines; apparatus for controlling the operation of machines (computer); apparatus for controlling the operation of machines (electric); apparatus for controlling the operation of machines (electronic); apparatus for controlling the operation of machines (remote); computer based control apparatus for machine tools; computer based control apparatus for machines; computer installations for the control of machine tools; computer programs in machine readable form; computer programs in machine readable form recorded on electronic media; computer software for use in controlling machines; electric apparatus for controlling the operations of machines; electric control apparatus for industrial machines; electric control apparatus for machine tools; electric control apparatus for machines; electric control apparatus for use with machines; electric control devices for machine tools; electric control devices for machines; electrical apparatus for controlling machines; electronic control apparatus for automatic machines; electronic control apparatus for industrial machines; electronic control apparatus for machine tools; electronic control apparatus for machines; industrial control apparatus (electric) for machines, engines or motors; industrial control apparatus (electronic) for machines, engines or motors; programmable electronic apparatus for use with machines; computer software; computer software (programs); computer software programs