It is our one of a difficult subject, and, as for the hydrodynamics, the fact applies to a student of shipping technology department of a principal school for a student. This account is because I need information of high mathematics for a student in hydrodynamics. Therefore I carry out a questionnaire about lecture method and test every test and decide to reflect it in future lecture. As a result of questionnaire, Most students were satisfied about lecture general, and the student understood that I acquired a high mark than own expected it.