Can anyone recommend a good resource on using formulas in Excel?

Question

I'm quite good, but need to brush-up on the more advanced stuff.

Answer 1

http://www.mrexcel.com/archive/VBA/
http://www.mvps.org/dmcritchie/excel/excel.htm
I've refered to above link often.

http://www.freevbcode.com/
http://www.dbforums.com/archive/index.php/
http://exceltips.vitalnews.com/

Have Fun

Answer 2

http://www.ozgrid.com/Excel/
http://exceltips.vitalnews.com/

Answer 3

I don't know but Open Office is better....