Jiuzhang Explained

Jiuzhang may refer to:

• Jiuzhang suanshu, or The Nine Chapters on the Mathematical Art, Chinese mathematics book, composed from the 10th–2nd century BCE
• Shu shu Jiuzhang, or Mathematical Treatise in Nine Sections, 13th century Chinese mathematical text by Qin Jiushao
• Jiu Zhang, collection of poems attributed to Qu Yuan
• Nine Chapter Law, or Jiuzhang Lü, law of the Han dynasty
• Jiuzhang (quantum computer), a model quantum computer developed by University of Science and Technology of China
• Zhao Jiuzhang, Chinese scientist