classes:  lecturer. It is possible to combine this subject with mathematics to help students who are new to the school easily notice how to calculate the complexity.  curriculum. It is possible to combine this subject with mathematics to help students who are new to the school easily notice how to calculate the complexity.  facility. It is possible to combine this subject with mathematics to help students who are new to the school easily notice how to calculate the complexity.  general. It is possible to combine this subject with mathematics to help students who are new to the school easily notice how to calculate the complexity.