There are two volumes of mathematics in technical secondary school. The National New Textbook for Secondary Vocational Education Planning: Mathematics (a set of 2 volumes) is for trial use in three-year secondary vocational schools. This book is divided into two volumes. The first volume includes seven chapters: number, shape, formula, set, function, exponential function, logarithmic function, power function, trigonometric function, sequence, permutation and combination; The second volume includes six chapters: simple logic, inequality, vector, straight line, conic curve and limit.