Not bad. Wang Jun, a math teacher in Guangshan No.2 High School, gave a good lecture. Mr. Wang is well-read and knowledgeable. What he talks about is not only the history of mathematics, but also many philosophies of life. People who have listened to Mr. Wang's mathematics class, besides being inspired at that time, many people have a strong interest in mathematics. Guangshan County No.2 Senior High School is located in Xinyang City, Henan Province, and was founded in 1978. In 1980s, he became one of the "Five Tiger Generals" in regional key high schools, and won the reputation of "Top Three" in 1990s. In 2000, the supervision and evaluation of the running level of key high schools ranked third in the province. In 2002, it was named as a municipal model high school with the first place in the city. In 2004, it passed the acceptance of the first batch of provincial model high schools with the seventh place in the province and the first place in county high schools.