OK you foolish mathmaticians, I need a little help. Im not the greatest with math so here goes. Im trying to decipher exactly how this works and how much money I would make on intermediate savings account. If Providian National is offering an APY of 5.25% on $2000 that's being compounded daily. How do I really figure out how much money I'd be getting in interest for sayyy 2yrs.Correct me if I'm wrong, but I believe that Annual Percentage Yield (APY) is how much your money earns in a year, and takes into account the compounding. Therefore, after one year, your $2000 gains 5.25% and thus becomes $2105. The second year, that $2105 gains 5.25% and becomes $2215.51.Annual Percentage Rate is a smaller number. To convert to APY, you must divide APR by the number of compounding periods, and that to one, raised that number to the number-of-compounding-periods-in-a-year and subtract one.Assume APR of 5.117% and daily compounding (365 days a year [this year, at least.])APY = ((1 + (APR/365))^365) - 1 APY = ((1 + (0.05117/365))^365) - 1 = 0.0525 (5.25%)People borrowing your money (savings accounts, etc.) like to quote APY, as it is a larger number, and people loaning you money (CC's, car loans, etc.) like to quote APR as it is smaller.John
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