| Especially during the period when Takakazu SEKI and Katahiro TAKEBE were active, problems concerning diagrams were represented and solved as algebra problems by applying simple relations such as Pythagorean theorem. |
特に関孝和や建部のころは、図形の問題はピタゴラスの定理など、簡単な関係を用いて代数の問題に直して処理していた。 |