page_title: Haidao Suanjing
section_title: The depth of a transparent pool
hierarchical_section_title: Haidao Suanjing / Content / The depth of a transparent pool
caption_attribution_description: Sea Island Math Manual Q7 diagram 海岛算经Q7 望清渊示意图
context_page_description: Haidao Suanjing was written by the Chinese mathematician Liu Hui of the Three Kingdoms era as an extension of chapter 9 of The Nine Chapters on the Mathematical Art.
  During the Tang Dynasty, this appendix was taken out from The Nine Chapters on the Mathematical Art as a separate book, titled Haidao suanjing
  , named after problem No 1 "Looking at a sea island." In the time of the early Tang dynasty, Haidao Suanjing was selected into one of The Ten Computational Canons as the official mathematical texts for imperial examinations in mathematics.
caption: Depth of pool
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