Universities should study mathematics. Usually, the majors studying mathematics are mainly those under the disciplines of engineering, science, finance and economics, management and so on. And the difficulty of learning mathematics in different disciplines is also very different.

Mathematics is a universal means for human beings to strictly describe the abstract structure and mode of things, and can be applied to any problem in the real world. All mathematical objects are artificially defined in essence. Mathematics plays an irreplaceable role in the development of human history and social life, and it is also an indispensable basic tool for studying and studying modern science and technology.