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  2. Optimal rotation age - Wikipedia

    en.wikipedia.org/wiki/Optimal_rotation_age

    In forestry, the optimal rotation age is the growth period required to derive maximum value from a stand of timber. The calculation of this period is specific to each stand and to the economic and sustainability goals of the harvester.

  3. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel's storage of numbers in binary format also affects its accuracy. [3] To illustrate, the lower figure tabulates the simple addition 1 + x − 1 for several values of x. All the values of x begin at the 15 th decimal, so Excel must take them into account. Before calculating the sum 1 + x, Excel first approximates x as a binary number

  4. Doubling time - Wikipedia

    en.wikipedia.org/wiki/Doubling_time

    Some doubling times calculated with this formula are shown in this table. Simple doubling time formula: = / where N(t) = the number of objects at time t; T d = doubling period (time it takes for object to double in number) N 0 = initial number of objects; t = time

  5. Exponential decay - Wikipedia

    en.wikipedia.org/wiki/Exponential_decay

    If the decaying quantity, N(t), is the number of discrete elements in a certain set, it is possible to compute the average length of time that an element remains in the set. This is called the mean lifetime (or simply the lifetime ), where the exponential time constant , τ {\displaystyle \tau } , relates to the decay rate constant, λ, in the ...

  6. Interval arithmetic - Wikipedia

    en.wikipedia.org/wiki/Interval_arithmetic

    The main objective of interval arithmetic is to provide a simple way of calculating upper and lower bounds of a function's range in one or more variables. These endpoints are not necessarily the true supremum or infimum of a range since the precise calculation of those values can be difficult or impossible; the bounds only need to contain the function's range as a subset.

  7. Can Guys Shorten Their "Recharging" Period? - AOL

    www.aol.com/guys-shorten-recharging-period...

    The length of the refractory period How to decrease the refractory period Because, after all, the point is to get back to the thing that put you in this refractory state in the first place.

  8. Amortization schedule - Wikipedia

    en.wikipedia.org/wiki/Amortization_schedule

    This amortization schedule is based on the following assumptions: First, it should be known that rounding errors occur and, depending on how the lender accumulates these errors, the blended payment (principal plus interest) may vary slightly some months to keep these errors from accumulating; or, the accumulated errors are adjusted for at the end of each year or at the final loan payment.

  9. Exponential smoothing - Wikipedia

    en.wikipedia.org/wiki/Exponential_smoothing

    Exponential smoothing or exponential moving average (EMA) is a rule of thumb technique for smoothing time series data using the exponential window function.Whereas in the simple moving average the past observations are weighted equally, exponential functions are used to assign exponentially decreasing weights over time.