Usually, engineering students take Mathematics One, which includes three subjects, advanced mathematics, linear algebra and probability and mathematical statistics. You must take these three courses as an undergraduate. Usually, the textbooks given to you by the school are designated textbooks for postgraduate entrance examination. As No.1 is a national volume, there are many kinds of reference books. At present, Chen Wendeng's book reviews are the most popular, and I think Li Yongle's is also good. Of course, one of the four national papers is the most difficult to count, because it has the widest scope, especially for senior books, and almost all of them have test sites.

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