Excel（エクセル）は、仕事や普段の生活で使う機会の多い、最も身近なアプリケーションのひとつです。しかし ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...