算さん術じゅつ級きゅう数すう

noun

arithmetic progression; arithmetic sequence

Mathematical term for a sequence where the difference between consecutive terms is constant. Equivalent to 等差数列 (とうさすうれつ), which is more common in modern Japanese.

• 算さん術じゅつ級きゅう数すうは、隣となり合あう項こうの差さが一いっ定ていの数