Learn what compound interest is, how it’s calculated—from annual rates to continuous compounding—and why it’s powerful for savings (and dangerous for debt).

CNBC Select defines compound interest, how it works and ways to take advantage of it if you're looking for a new credit card or somewhere to stash your cash.

If you have a savings account, you might want to know how much you'll earn in interest for parking your cash there. Fortunately, calculating interest on a savings account is not as tough as you ...

Jeanette Mack is here to explain how compound interest can have a dramatic effect on your long-term financial success.