Excel 2021では、「並び替えミスで表を破壊」が防げる新関数が！ フィルター/ソート/抽出の新関数はこう使おう！ 最新の「Outlook」は「探す」ストレスなし！ 常にメール・予定・機能を賢く検索可能 パワポはGIFアニメ作成ツールとしても有能！

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Learn how to use the LAMBDA function in Excel to simplify complex formulas by creating custom functions for recurring ...

To kick things off, let’s explore how to perform essential calculations like determining the total salary and headcount by department. This is where functions such as `COUNTIFS`, `SUMIFS`, and ...