1, geometric element. It is the immortal work of Euclid, an ancient Greek mathematician, which integrates the achievements and spirit of ancient Greek mathematics in one volume. It is not only a masterpiece of mathematics, but also a masterpiece of philosophy, which completes the human understanding of space for the first time.

2. Zhouyi Shu Jing. One of the ten books of calculating classics. The main achievement in mathematics is to introduce Pythagorean theorem and its application in measurement and how to apply it to astronomical calculation.

3. Exploration of mathematics and knowledge. It is a book published by Fudan University Press in 2005, written by Klein. With the wisdom of a mathematician, this book discusses the role of mathematics in the development and evolution of modern natural science since ancient Greece, especially since Galileo.