Writings on Reckoning: a tomb manuscript and a known classic
The bamboo manuscript Suan shu shu was found in a Han tomb. It helps us test the history of the Nine Chapters, known through later copies.
What a sealed tomb preserved
A 2022 article in Early China examines how the excavated Zhangjiashan manuscript Suan shu shu, 'Writings on Reckoning', and the transmitted canons and commentaries shed light on each other. The research record dates the excavated witness by its archaeological context, with the tomb closure giving a terminus of 186 BCE. Cambridge University Press / Early China ↗
What the strips contain
A study in Historia Mathematica describes the manuscript's problems and methods and their implications for the history of mathematics. The excavated text is an important control: it shows that the transmitted Nine Chapters is not the only early Chinese mathematical witness. Historia Mathematica / Elsevier ↗
The transmitted classic
The Nine Chapters on the Mathematical Art survives through later editions with Liu Hui's commentary; the Oxford translation presents its 246 problems across practical domains. The record warns not to use the date of a surviving edition as the date of the original composition. Oxford University Press ↗
Which book helps date the other?
The Chinese Text Project's digital edition exposes the later textual witnesses. A buried manuscript gives a hard date for a text's existence; a transmitted classic gives a long chain of copies. Which would you trust for the wording, and which for the age? Chinese Text Project ↗