Tuesday, April 7, 2015

Remember that "natural log of x", written as "lnx" is really log (base e) x where "e" is approximately 2.718.  You see the used of "e" in exponential growth and decay, also interest compounded continuously A=Pe^(rt) where A is the amount, P is the initial investment, r is the interest rate and t is the time in years.

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