Things are improving about generating number that appears as integer or warning about additional ) .
The main difference between calculated and calculatedsimple is that the last one only use wildcards created in this specific question.
Full featured calculated allow the sharing at the question category level of wildcards that can be synchonized between questions in a quiz . This alllow to create for example from a given radius two questions : the surface and the circonference.
This is more complex to create and to handle.
P.S. this week : MDL-31680