A formula in which the individual values in a cell range are evaluated is referred to as an array formula. The difference between an array formula and other formulae is that the array formula deals with several values simultaneously instead of just one.
セル範囲内の個々の値が考慮される数式を、行列式と呼びます。行列式とほかの数式との違いは、前者は一度に複数の値を処理するのに対し、後者は一度に 1 つの値しか処理しない点です。