When reviewing cash flow data for your small business, knowing the standard deviation can help you determine if the numbers are out of whack. Calculating standard deviation manually can be ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...

Learn how to calculate payback and discounted payback in Excel with formulas, SCAN, XMATCH, LET, and SWITCH, plus ...

Calculating the internal rate of return, or IRR, of an investment is a powerful tool for businesses. When a manager is faced with a capital intensive decision, IRR can quickly compare the financial ...

Tracking your cash in and cash out is an important part of running your business. Learn how to calculate the flow. Many, or all, of the products featured on this page are from our advertising partners ...

A company's cash flow equals the cash coming into the business minus the cash going out. If you know your business' cash flow for a period that is shorter than a year, such as a month or quarter, you ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...