COMPOUND INTEREST ----------------- Principal (P) = $1000 e = Euler's number for GROWTH EXPANSION = 2.718241... Interest Rate (I) = DEPENDING ON THE RULE OF 72 *RULE OF 72 -> 72 divided by number of years to double Principal = Interest rate eg.: 72 / 7 years = 10.3% Time (T) FORMULAE TO DOUBLE $1000 IN 7 YEARS -> P*e^(.103*7) = $2056.50 *ONE CAN SHORTEN THE NUMBER OF YEARS TO AMASS WEALTH FASTER* **REALLY GOOD FOR SAVINGS AND INVESTMENTS**