Other Links for Microsoft Excel Solution

http://www.baycongroup.com/el0.htm
http://office.microsoft.com/en-us/training/CR010047968.aspx
http://people.usd.edu/~bwjames/tut/excel/
http://spreadsheets.about.com/od/excelformulas/ss/formula_begin.htm
http://office.tizag.com/excelTutorial/
http://mistupid.com/tutorials/excel/
http://www.tutorialized.com/tutorials/MS-Excel/1
http://www.functionx.com/excel/
http://www.tutorialized.com/tutorials/MS-Excel/1
http://www.fgcu.edu/support/office2007/excel/index.asp
http://www.microsoft.com/mac/excel/getting-started-with-excel