Excel master John Walkenbach has shared his expertise in two previous editions of this bestseller. Now he shows you how to create financial formulas, release the power of array formulas, develop custom worksheet functions with VBA, debug formulas, and more with Excel 2007. If you already know your way around the newest Excel and want to concentrate on using formulas to extend its capabilities even further, you"ve come to the right place. It"s estimated that only about ten percent of Excel users really understand how to get the most out of worksheet formulas. If you"re ready to join that elite group, here"s your membership kit.