Learn how to calculate the discount rate in Microsoft Excel, what the discount factor is, and how the discount rate and discount factor compare.

Save this for the spreadsheet jocks in your office—we'd bet even the experts don't know all of these formula tips.

Q. When I’m working in Excel, I sometimes have trouble remembering a formula. Is there an instant crib sheet I can refer to? I know I can look it up in Help , but that’s such a slow process. A. Yes, ...

Find the IRR in Excel by employing the IRR function, then use it as the discount rate that causes NPV to equal zero. Use What-If analysis, a built-in calculator in Excel, to solve for the discount ...