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Line 13: #[[Yang Hui]]’s "Nine Chapters on the Mathematical Arts with Detailed Explanations" defines ''cheng'' as a general term for measuring weight, height, and length. Detailed Explanations states: What is called “rectangular” (''fang'') is the shape of the numbers; “measure” (''cheng'') is the general term for [all forms of] measurement, also a method for equating weights, lengths, and volumes, especially referring to measuring clearly and distinctly the greater and lesser. ~~Interestingly, since~~Since the end of the 19th century, in Chinese mathematical literature the term ''fangcheng'' has been used to denote an "equation." However, as already been noted, the traditional meaning of the term is very different from "equation." ==Contents of the chapter titled ''Fangcheng''==

Fangcheng (mathematics): Difference between revisions