Pythagorean Theorem: China is called Pythagorean Theorem or Quotient Theorem, and foreign countries are called Pythagorean Theorem or Hundred Cows Theorem. According to legend, Shang Gao was first discovered in Shang Dynasty, about 500-600 years earlier than Pythagoras.

Yang Hui Triangle: China is called Yang Hui Triangle or Jia Xian Triangle, and foreign countries are called Pascal Triangle. It was first discovered by Jia Xian in the book Unlocking Arithmetic in the Northern Song Dynasty, about 1050. B Pascal is introduced on arithmetic triangle 1654. Nearly 600 years later than Jia Xian.

Pi: In the 5th century A.D., Zu Chongzhi and his son calculated the pi of about 355/ 1 13 with a regular polygon of 24,576. Compared with the real value, the error is less than one in eight hundred million. This record was not broken until 1000 years later.

In fact, there are many, really can't underestimate the wisdom of China people, just can't find it at the moment. ...