yogi_SetUp Alternate Formulas For Highlighting Duplicate Entries In A Column For Both Case Sensitivity And Case Insensitivity

                                          Google Spreadsheet   Post  #1460
Yogi Anand, D.Eng, P.E.      ANAND Enterprises LLC -- Rochester Hills MI     www.energyefficientbuild.com.   Jan-01-2014
question by Darwin Franceshi (http://productforums.google.com/forum/?zx=yqundymc57ay#!mydiscussions/docs/x8-Jn_ZXfsY)
How do make sure there are no duplicate entries in Column A?