Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

When your spreadsheet has formulas piled on top of formulas, tracking and repairing errors would be agony if it weren’t for Excel’s Precedents and Dependents: cells that are referred to by a formula ...