The four fields of mathematics are number and algebra, space and graphics, statistics and probability, practice and comprehensive application. 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.

Mathematics belongs to formal science, not natural science. Algebra can be said to be the most widely accepted "mathematics". Mathematics is a subject that studies numbers, and algebra is also one of the most important parts of mathematics. Geometry is the earliest branch of mathematics studied by people.