What do you think of when you see the words "Microsoft Excel?" For many, it's "cells," "numbers," and "formulas." However, there's much more to the program than that ...

Back in 2013 John Gagnon continued his popular series of posts about powerful spreadsheet use with a handy how-to guide for using the add-in GeoFlow for Excel. Back in 2013 John Gagnon continued his ...