A shekara ta 212 KZ, Sarkin Qin Shi Huang ya ba da umarnin a ƙone duk littattafan da ke daular Qin banda waɗanda aka ba da izini a hukumance.Ba a yi biyayya ga wannan doka a duk duniya ba, amma sakamakon wannan tsari ba a san komai ba game da tsohuwar lissafinkasar Sin kafin wannan zamani.Bayan littafin kona 212 KZ, daular Han (202 KZ-220 CE) ta samar da ayyukan ilimin lissafi wanda mai yiwuwa ya fadada akan ayyukan da suka ɓace.Bayan littafin kona 212 KZ, daular Han (202 KZ-220 CE) ta samar da ayyukan ilimin lissafi wanda mai yiwuwa ya fadada akan ayyukan da suka ɓace.Mafi mahimmancin waɗannan su ne Babi Tara akan fasahar lissafi, cikakken lakabin wanda ya bayyana a shekara ta 179 CE, amma ya kasance a wani ɓangare a ƙarƙashin wasu lakabi a baya.Ya ƙunshi matsalolin kalmomi 246 da suka shafi aikin noma, kasuwanci, aikin lissafin lissafi zuwa tsayin tsayin adadi da ma'auni na hasumiya na pagoda na kasar Sin, injiniyanci, bincike, kuma ya haɗa da kayan da ke kan kusurwar dama.^[79] Ya haifar da hujjar lissafi don ka'idar Pythagorean, ^[81] da tsarin lissafi don kawar da Gaussian.^[80] Har ila yau, rubutun ya ba da kimar π, ^[79] wanda masana lissafin kasar Sin tun asali sun kai kimanin 3 har sai Liu Xin (d. 23 CE) ya ba da adadi na 3.1457 kuma daga baya Zhang Heng (78-139) ya kiyasta pi kamar 3.1724, ^{[ 82]} da 3.162 ta hanyar ɗaukar tushen murabba'in 10. ^[83.]Lambobi mara kyau sun bayyana a karon farko a cikin tarihi a cikin Babi Tara akan Fasahar Lissafi amma suna iya ƙunsar tsofaffin abubuwa da yawa.^[84] Masanin lissafi Liu Hui (c. karni na 3) ya kafa dokoki don ƙari da ragi na lambobi mara kyau.