How to Find approximate matches in unsorted columns in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 639th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a formula that will do an approximate match lookup with an unsorted lookup table that can be copied across multiple columns and do lookup from multiple columns.