Huang Gai, Advanced Mathematics, edited by East China University of Science and Technology, Higher Education Press. Divided into two volumes: high number and high number. The chemistry of public basic courses is called modern basic chemistry, which is actually divided into two courses: modern basic chemistry and analytical chemistry. Freshman studied modern basic chemistry last semester, and freshman studied analytical chemistry. The first one is from Higher Education Press, with a black cover. The latter book is co-edited by East China University of Science and Technology and Sichuan University. This is the sixth edition, with an orange cover.