Henan college entrance examination asymptote. General manager office, an advanced mathematics in Henan Province, selected eight modules of knowledge points according to the relevant public information, namely: function, limit and continuity, differential calculus of univariate function, integral calculus of univariate function, ordinary differential equation, vector algebra and spatial analytic geometry, differential calculus of multivariate function, integral calculus of multivariate function and infinite series. Asymptote is a limit and continuous knowledge point, which will be used in the exam.