Sampouki

Sampouki

Sampouki

Sekiryuu sampouki tenzan kaigi

Sampouki saru no maki kaigi

Sampouki

Sampouki

Sampouki

Sekiryuu sampouki tenzan kaigi

Kokon sampouki

Kokon sampouki

Sampou shigenki

算祖

方程招差法

Tekiyou sampou

Sampou hatsumoushuu

Sampou kongenki

Sampou shigenki

Sampou shigenki

Sampou shigenki

Sampou shigenki

Sampou kongenki

Sampou tengenroku

筭法古今通覽

wayo sampo shinsho