As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 51st installment in his "Excel Finance Class" series of free video lessons, you'll learn how to use the DATEVALUE, RIGHT, IFERROR, LEN, TEXT, SEARCH, TRIM and REPLACE to extract dates from a cell containing both dates and words.