The Find&Replace menu in Excel contains some hidden gems. Things that you might never have seen before. Take a look here to see what you've been missing. http://ift.tt/1JrisW3
This video shows you how to use the =CORREL() function in Excel with the Ctrl+Enter technique. This is especially useful for Mac users who do not have access to the Data Analysis Toolpak http://ift.tt/1yWlzFO