Knowledge and achievement evaluation system MISKANTAS-22 based on density matrix and neural network methods were designed as an advisor to the lecturer for automated evaluation of open-type questions. New type of plugin for Moodle system Essay Plus was created, tested, and evaluated for grading purposes. New type of user-friendly interfaces for lecturer and for student in Moodle system was realized. New concept of test of Essay Plus type was created, tested, and realized. System allows to evaluate the student's answers in real time regime.