| 1 | See! An ancient mathematics Zu hongzhimy had work out the circumference ratio 17 behind decimal point, leading for 1000 years in the world; | |
| 2 | In the past the Numbers have been calculated enough precise, against this difficulty. | |
| 3 | However, that he obsessed the Hetu Luoshu and error criticized Zu Chongzhi's circumference ratio reflected Zhu Zaiyu's historical limitation as an ancient scholar. |