Zongmutang Laurence worked out which author of Shu Tong was the most accurate.

The accuracy of zong mutang's Luo Jia's calculation of the general book depends on many factors, including the author's qualification, experience and skills, as well as the astronomical data and calculation methods adopted. The Luo family of Zong Mutang thinks that there are many authors of Shu Tong, among which Luo Qinghui and Yong Zhengdi are famous.

Born in the late Ming and early Qing dynasties, Luo Qinghui specialized in calendar calculation since childhood and gradually became proficient. The Complete Book of Seven Politics compiled by him is considered to be one of the most accurate almanac, and it has become an important reference book for later generations to study, study and apply.

During the reign of Yong Zhengdi and Qing Emperor Yong Zhengdi, the calendar was reformed and popularized. His book Xie Fangshu is widely used and has made great contributions to the calculation of calendars and the study of astronomy.

Therefore, we can't simply answer which author is the most accurate, and we need to make a comprehensive evaluation according to the specific historical background, the author's qualifications and experience, the data and methods adopted.