Advanced mathematics in a narrow sense is a mathematics course for non-mathematics majors in colleges and universities.
Contents of higher mathematics: calculus, series and differential equations of univariate functions and multivariate functions. In addition, there is very simple analytic geometry. Corresponding to it is engineering mathematics. It includes linear algebra, probability theory and mathematical statistics. Numerical analysis, these parts are basically learned in every college and have optimization methods. Some schools offer wavelet analysis and graph theory, while others offer matrix analysis according to their own needs.
In a broad sense, advanced mathematics is mathematics other than accidents in primary and secondary schools. But this term is not commonly used. It is usually used in a narrow sense.