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 307th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the INDEX, ROWS, COLUMNS, LARGE, SMALL functions to create 4 different formulas that will invert a range of values.