This is the static data attached to one question. In other words, it is the question definition. It is suitable for caching. Session of WIRIS CAS containing the algorithm for this question. The list of answers usually defined by the teacher. This type contains the definition of an answer to a question. It is an extension of tns:answer, who in turn is an extension of tns:math. The random seed to be used when running the CAS session. This type answer to a question. It is an extension of tns:math. Not used but its the parent type for answer, corectAnswer, variable, eval, param. Is an extension of tns:math Is an extension of tns:math