2, mathematics is the foundation of science and engineering, so the certificates of other related majors are still good!

3. Recommended:

If you are interested in accounting, you can try a certified public accountant with high gold content;

If you are interested in computers, you can take the programmer's grade certificate, calculation grade certificate, Microsoft certification certificate and so on.

If you are interested in architecture, you can take an examination of architects and appraisers.

If you are interested in being a teacher, you can take the teacher qualification exam and become a math teacher.