抄録
A mathematical tablet called sangaku was dedicated to the Kinpujinjya—the shinto shrine in Nagaoka in 1795. The sangaku is a historical work that shows the wasan—the traditional Japanese mathematics in the Edo period of Japan. However, this sangaku does not currently exist and remains only in the literature. Then, we try to reproduce the sangaku through the drawing by computer. The sangaku is constituted of two problems. We infer the solutions at the time.
