How to connect one excel sheet to other excel sheet.

How much of Excel do you need to know to be considered proficient in it? In particular how many function do you need to know?

Hey I have Microsoft Excel 2007, from my course at college I have been given instructions to do a task. However these instructions are for excel 2003. How do I change my excel 07 to look like excel 03 so that it is easier. I know there is a way, help greatly appreicated thanks.

I am modifying a payroll spreadsheet that was developed in MS Excel. The hours worked by each employee have their own row; each cell represents the hours worked on that particular day. I need to isolate ONLY the amount greater than eight hours (for overtime) and sum those quantities at the end of...

My Vietnamese staff and I use Excel all the time, but we're limited to very basic stuff. Can anyone recommend an easy and comprehensive how-to reference, either book form (which we would have to order by mail) or on-line info? Thanks. -- Chuck Searcy, Hanoi