Traditional 周髀算經 Zhōu bì suàn Jīng 🔊 Zhou Bi Suan Jing, or Chou Pei Suan… + Keep this word Meanings Zhōu bì suàn Jīng name 周髀算經 Zhou Bi Suan Jing, or Chou Pei Suan Ching, one of the oldest Chinese texts on astronomy and mathematics Its characters 周zhōuto make a circuitHSK 2髀bìbuttocks算suànto calculate; to figure outHSK 4经jīngclassicsHSK 7–9