Wei Collection, Upper Volume Radical: Bamboo (zhú) Calculation (suàn) Kangxi Strokes: 13 Page 885, Entry 22 Collection of Rhymes (Jiyun), Collected Rhymes (Yunhui), and Correct Rhymes (Zhengyun): Pronounced suan (falling tone). Explanation of Graphs and Analysis of Characters (Shuowen): A tool six inches long for calculating numbers for calendars. Composed of Bamboo and to play with, meaning that it must be used frequently to avoid mistakes. Also, in Categorized Chapters (Leipian): Pronounced sun (falling tone). Means to calculate. Collection of Rhymes (Jiyun), Collected Rhymes (Yunhui), and Correct Rhymes (Zhengyun): Also written as calculation (suàn) and commonly written as (suàn).