High numbers mainly include derivatives, calculus, spatial explanatory geometry, differential of multivariate functions, multiple integrals, ordinary differential equations and so on.
Linear algebra mainly includes matrix, determinant, vector space, solving linear equations, diagonalization of matrix, real quadratic form and so on.
Probability statistics mainly includes random events, event probability, conditional probability, random variables, statistics and statistics, point estimation and so on.
Discrete mathematics mainly includes mathematical logic, set, binary relation, function, algebra, lattice and Boolean algebra, graph theory and so on.
Numerical analysis mainly includes interpolation, function approximation, numerical integration, ordinary differential equations, equation roots, linear equation solutions, iterative methods and so on.