While you're at it, calculate how much college will cost for the kids. The rule of thumb for estimating the inflation rate for college tuition is to double whatever the general inflation rate is, ...

Warren Buffett, one of the most successful investors of all time, attributes much of his wealth to the power of compounding.

Array formulas let you perform calculations across entire ranges of data in a single formula. Hence, you can handle lightning-fast lookups, filtering, and sorting with just one po ...