"What is the subject of the ""Zhou Bi Suan Jing"", one of the oldest and most famous Chinese texts dating from the Zhou Dynasty (1046 BC256 BC), and added to into the Han Dynasty (202 BC 220 BC)?"
Zhoubi Suanjing Zhoubi Suanjing The Zhoubi Suanjing (), or Chou Pei Suan Ching (周髀算经), is one of the oldest Chinese mathematical texts. "Zhou" refers to the ancient Zhou dynasty (周) c. 1046–771 BCE; "Bi" means thigh and according to the book, it refers to the gnomon of the sundial. The book is dedicated to astronomical observation and calculation. "Suan Jing" or "classic of arithmetic" were appended in later time to honor the achievement of the book in mathematics. This book dates from the period of the Zhou dynasty (1046 BCE–256 BCE), yet its compilation and addition of materials continued into the Han
Zhou dynasty Zhou dynasty The Zhou dynasty or the Zhou Kingdom ( ) was a Chinese dynasty that followed the Shang dynasty and preceded the Qin dynasty. The Zhou dynasty lasted longer than any other dynasty in Chinese history. The military control of China by the royal house, surnamed Ji ( ), lasted initially from 1046 until 771 BC for a period known as the Western Zhou and the political sphere of influence it created continued well into Eastern Zhou for another 500 years. During the Zhou Dynasty, centralized power decreased throughout the Spring and Autumn period until the Warring States period