Of course it works. The first thing you learn is death. According to your future career direction, some can definitely be used, some can't, and belong to many, such as basic disciplines and core tools of various science and engineering majors. Mathematics is not good, others, such as computer, electrical engineering, finance, statistics and so on. It will be difficult to develop. In addition, learning mathematics is also learning mathematical thinking, which is of great help to one's knowledge structure and thinking concept.