One was an extremely important commentary on the Jiuzhang suanshu or, as it more commonly called Nine Chapters on the Mathematical Art, and the other was a much shorter work called Haidao suanjing or Sea Island Mathematical Manual.
Isa ay isang lubhang mahalaga kuro sa Jiuzhang suanshu o, bilang ito ng mas maraming karaniwang tinatawag na Nine Chapters sa matematika Art, at ang iba pang mga noon ay isang lubhang mas maikli sa trabaho na tinatawag na Haidao suanjing o Dagat Island matematiko Manual.