Liu Yao Study Record follows classical texts including Bu Shi Zheng Zong and Zeng Shan Bu Yi for Na Jia charts, palace assignment, relational roles and moving-line study.
A 3D Qianlong coin simulation supports customized coin faces. Longitude-based true-solar-time correction accompanies step-by-step chart calculations.
Definitions cover concealed lines, month breaks and trines, with study records saved locally.


