Google Spreadsheet Post #1209
Yogi Anand, D.Eng, P.E. ANAND Enterprises LLC -- Rochester Hills MI www.energyefficientbuild.com. May 24, 2013
user Sebastian Oberhoff (http://productforums.google.com/forum/?zx=txg71a902ibn#!category-topic/docs/spreadsheets/HRZSHGTDszA)
Create list by cross checking multiple arrays
This seems like a fairly basic question but I've been able to come up with an answer so far.