Peter Noneley has a worksheet with an example for each function
that he includes. The starting sheet is a list of functions.
Excel Function Dictionary -- by Peter Noneley, A reference to definitely download and maintain on your computer, workbook with 157+
sheets, each with an explanation and example of an Excel function. Peter's site is down you can obtain the file at http://www.rondebruin.nl/files/xlfdic01.zip
courtesy of Ron de Bruin (home page, at the bottom of Ron's page) http://www.rondebruin.nl/id.htm