Net present value and the profitability index are helpful tools that allow investors and companies make decisions about where to allocate their money for the best return.

How To Calculate Inflation Rates The two most frequently cited indexes that calculate the inflation rate in the U.S. are the Consumer Price Index (CPI) and the Personal Consumption Expenditures ...

Medically reviewed by Suzanne Fisher, RD Calculating your body mass index (BMI) involves using a simple formula with your weight (in pounds or kilograms) and height (in inches or meters). BMI is ...

To calculate a price-weighted average, or any arithmetic average for that matter, add the numbers (stock prices) together and divide by the number of stocks in the average.