Although Shen Kuo (1031–95) and Guo Shoujing (1231–1316) had laid the basis for trigonometry in China, another important work in Chinese trigonometry would not be published again until 1607 with the efforts of Xu Guangqi and Matteo Ricci.
Fastän Shen Kuo (1031–1095) och Guo Shoujing (1231–1316) hade lagt grunden till trigonometrin i Kina, skulle inget annat betydande verk i kinesisk trigonometri bli publicerat igen förrän 1607 efter Xu Guangqis och Matteo Riccis ansträngningar.