リンク TECHCOMMUNITY.MICROSOFT.COM Announcing LET Have you ever had to repeat the same expression multiple times within a formula, created a mega formula or wished that you had a way to reuse portions of your formula for easier consumption? With the addition of the LET function, now you can! Introducing 7 Microsoft 公式ブログで 米国時間 2020年3月18日 Excelの新関数「LET()」発表 可読性とパフォーマンスを高めたとのこと 既にOffice InsiderのInsider