計けい数すう

noun

counting; calculation; dealing with figures

General term for counting, tallying, or handling numerical data. Sense 2 is a natural extension into working with figures.

• 在ざい庫この計けい数すうは毎まい日にち行おこなっている。

  We count the inventory every day.

• 彼かれは計けい数すうの仕し事ごとが得とく意いだ。

  He is good at work that involves dealing with figures.

noun

cardinality

Mathematical term for the number of elements in a set. Cross-referenced with 濃度 (sense 2).

See also: 濃度

• 集しゅう合ごうの計けい数すうは、その要よう素その個こ数すうを表あらわす。

  The cardinality of a set represents the number of its elements.