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 589th installment in their series of digital spreadsheet magic tricks, you'll learn how to create an array formula for a stem and leaf chart for decimal numbers using the IF, COLUMNS, SUMPRODUCT, INDEX, INT, RIGHT, SMALL, ROW and TEXT functions.