Most Chinese scholars of the period were officials, for there were no professional mathematicians, but he could not have held an important post since were he a major official he would appear in records of the dynasty.
Karamihan sa Chinese iskolar ng panahon ay mga opisyal, para doon ay hindi propesyonal na mathematicians, ngunit siya ay hindi may hawak na isang mahalagang-post mula noong siya ay isang pangunahing opisyal na siya ay lalabas sa talaan ng dinastya.