Excel

Wrigley's Gum Made In Canada comes in Seven flavors Polar Ice, Peppermint, Spearmint, Winterfresh, Cherry Chill, And Chlorophyll.

Excel (gum)

Well, and also a spreadsheet application developed by Microsoft.

Some tutorials

 * http://www.usd.edu/trio/tut/excel/


 * http://www.mrexcel.com/board2/


 * http://www.baycongroup.com/el0.htm