差さ機き関かん

noun

difference engine

Historical mechanical calculator designed by Charles Babbage. Rare term; primarily encountered in history of computing contexts.

• バベッジの差さ機き関かんは、階かい差さ法ほうを用もちいて多た項こう式しきの数すう表ひょうを計けい算さんする機き械かいだった。

  Babbage's difference engine was a machine that calculated polynomial tables using the method of finite differences.