532 alexei volkov
Table 15.3. Th e extant Tang dynasty mathematical textbooks and their
commentators^ a^
Number
Th e extant treatises
used in the
Mathematical College
Commentators as
specifi ed in offi cial
histories
Commentator(s) of
the extant treatises
1 Sun zi suan jing
(Computational treatise
of Master Sun)
Zhen Luan ( Jiu Tang
shu ); b^ Li Chunfeng
( Xin Tang shu ); Li
Chunfeng ( Song shi )
None.
2 Wu cao suan jing
(Computational treatise
of fi ve departments)
Li Chunfeng et al.
( Song shi )
N o n e
3 Jiu zhang suan shu
(Computational
procedures of nine
categories)
Li Chunfeng ( Xin
Tang shu ); Liu Hui;
Li Chunfeng et al.
( Song shi ) c^
Liu Hui; Li Chunfeng
et al.
4 Hai dao suan jing
(Computational
treatise [beginning
with a problem]
about a sea island)
Li Chunfeng ( Xin
Tang shu )
Li Chunfeng et al.
5 Zhang Qiujian suan jing
(Computational treatise
of Zhang Qiujian)
Zhen Luan; Li
Chunfeng ( Xin Tang
shu )
Liu Xiaosun ; Li
Chunfeng et al. d^
6 Xiahou Yang suan jing
(Computational
treatise of Xiahou Yang)
Zhen Luan ( Jiu Tang
shu and Xin Tang shu )
Th e author (Han Yan
, Tang dynasty)
7 Zhou bi suan jing
(Computational
treatise on the gnomon
of Zhou [dynasty])
Zhao Ying ; e^
Zhen Luan ( Jiu Tang
shu ); f^ Zhao Ying;
Zhen Luan; Li
Chunfeng ( Xin Tang
shu ) g^
Zhao Junqing ;
Zhen Luan; Li Chunfeng
et al.
8 Wu jing suan shu
(Computational
procedures [found]
in the fi ve classical
books)
Li Chunfeng ( Xin
Tang shu ); Li Chunfeng
( Song shi ) h^
Li Chunfeng et al.
Continued