Wu Collection, Lower Volume Radical: Spirit (shì) 10 strokes Page 841, Entry 22 Pronounced suàn. According to the Tang Rhyme (Tangyun) and the Collected Rhymes (Jiyun), the pronunciation is identical to the character for calculate. Explanation from the Explaining Graphs and Analyzing Characters (Shuowen Jiezi): To carefully observe and calculate; it is composed of two Spirit characters. The Lost Book of Zhou (Yi Zhou Shu) records: The calculation (suàn) by which scholars allocate the populace, meaning to distribute and calculate equally. The pronunciation is the same as the character for calculate. The Rectification of Errors (Zheng'e) posits that because it is a combination of two Spirit characters, it is an ideographic character.