Yogi Anand, D.Eng, P.E. Google Spreadsheet Post #579 Jun 04, 2012 www.energyefficientbuild.com.
posting of the following solution was for a question by user senuuar in the following https://productforums.google.com/forum/#!category-topic/docs/spreadsheets/-Aui9L8KAI4
posting of the following solution was for a question by user senuuar in the following https://productforums.google.com/forum/#!category-topic/docs/spreadsheets/-Aui9L8KAI4
