Sun Tzu (mathematician)
- This article is about the mathematician Sun Tzu. For the military strategist of the same name, see Sun Tzu.
His interests were in astronomy. He tried to develop a calendar and for this he investigated Diophantine equations. He is best known for authoring Sun Tzu Suan Ching (pinyin: Sun Zi Suan Jing; literally, "Sun Tzu's Calculation Classic"), which contains the Chinese remainder theorem.