I finally figured out that the reason I couldn't find the source code in a .XLA
file was that .XLA's are compiled versions of .XLS'.

Now I've tracked down the .XLS file, but can't figure out how to follow the

Check out http://tinyurl.com/3obxl

I'm 99.99% sure that the entry point is the cell "ROR"...but the rest escapes

Could somebody offer a general view of what's going on here? Not necessarily
the precise logic - more the order in which things happen so I can pick it apart
on my own.