Higher mathematics refers to a more complicated part of mathematical objects and methods compared with elementary mathematics and secondary mathematics. Algebra, geometry and simple set theory in middle schools are called secondary mathematics, which is regarded as the transition between elementary mathematics in primary and secondary schools and advanced mathematics in universities.
Generally speaking, advanced mathematics is a basic subject formed by calculus, algebra, geometry and their intersection. The main contents include: series, limit, calculus, spatial analytic geometry and linear algebra, series, ordinary differential equations. Basic subjects for postgraduate examinations in engineering, science and engineering and finance.
Generally speaking, advanced mathematics is a basic subject formed by calculus, algebra, geometry and their intersection after17th century. Compared with elementary mathematics and secondary mathematics, mathematics is more difficult to learn, so it is often called "advanced mathematics" and "calculus" in textbooks, which is a different major of science and engineering.
Students majoring in literature and history learn mathematics shallowly, and different majors in literature and history have different depths. It is advanced mathematics that studies variables, but advanced mathematics does not only study variables. As for the courses related to "advanced mathematics", there are usually: linear algebra (advanced algebra for mathematics majors), probability theory and mathematical statistics (some mathematics majors study independently).
Refer to the above content: Baidu Encyclopedia-Advanced Mathematics