With NCTest, CNC assessments can be performed in cloze text format according to the German CNC examination standard in the ISO code of CNC controls. NCTest differtiates between an examination preparation and an examination mode. In examination mode, the start time and maximal duration of the examination can be preset. Evaluation of the examination is done automatically at the end of the examination with the calculation of the achieved score.

The cloze text examination programs can be created with the NCPrint functino of TopMill and TopTurn.

In principal, NCTest can be used for CNC control codes of every CNC control if the NC control uses letters as NC addresses followed by its address value.