Unlock the power of Excel with a step-by-step roadmap to its formulas and functions There's a Swiss Army knife in your digital toolbox that can multiply your productivity and make you the smartest guy or gal in almost any room. It's called Microsoft Excel. If you're like most people, you've barely scratched the surface of what this powerful tool's hundreds of built-in functions can do. But with a little help from Excel Formulas & Functions For Dummies, you'll soon be organizi