# Liu Hui

**Liu Hui** 劉徽 was a

Chinese mathematician who lived in the

200s. In

263 he published a book with solutions to mathematical problems presented in the famous chinese book of mathematics known as

*Jiuzhang Suanshu* or

*The Nine Chapters on the Mathematical Art*.

In these commentaries he presented:

He also presented, in a separate appendix called

*Haidao suanjing* or

*The Sea Island Mathematical Manual*, several problems related to

surveying.