The first and second semesters. According to the official of the Education Bureau, advanced mathematics is started in the first and second semesters of junior college. In many colleges and universities, in fact, many majors do not need to learn advanced mathematics. Unless some majors need to learn advanced mathematics. They have started to study advanced mathematics in the first and second semesters of their freshman year. If they start to learn advanced mathematics from junior college, they should start to learn it from junior year.