Excel

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

Wikipedia:Excel (gum)

Well, and also a spreadsheet application developed by Microsoft.

[edit] Some tutorials

• http://www.usd.edu/trio/tut/excel/

• http://www.mrexcel.com/board2/

• http://www.baycongroup.com/el0.htm