http://office.microsoft.com/ja-jp/excel-help/HP010079186.aspx?CTT=1

http://www.youtube.com/watch?v=kjxSCAalsBE

http://www.google.co.jp/search?client=safari&rls=en&q=%e6%b0%b4%e5%b9%b3%e3%81%aa%e7%b7%9a%e3%82%92%e5%bc%95%e3%81%8f%E3%80%80excel&ie=UTF-8&oe=UTF-8&gws_rd=cr&ei=25cDUvS-I4mdkQXL4IHgBA#bav=on.2,or.r_qf.&fp=bbf70165a4fb07ed&q=%e6%b0%b4%e5%…

http://www.youtube.com/watch?v=7rGQ9IcRp7I

http://www.aozora.gr.jp/cards/000363/files/47043_34789.html