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  2. Regula falsi - Wikipedia

    en.wikipedia.org/wiki/Regula_falsi

    At the end of each day, the plant is observed to have grown by ⁠ 1 / 2 ⁠ of the previous day's growth. A club-rush grew 1 unit on its first day. At the end of each day, the plant has grown by 2 times as much as the previous day's growth. Find the time [in fractional days] that the club-rush becomes as tall as the bulrush.

  3. Continuous-repayment mortgage - Wikipedia

    en.wikipedia.org/wiki/Continuous-repayment_mortgage

    Define the "reverse time" variable z = T − t.(t = 0, z = T and t = T, z = 0).Then: Plotted on a time axis normalized to system time constant (τ = 1/r years and τ = RC seconds respectively) the mortgage balance function in a CRM (green) is a mirror image of the step response curve for an RC circuit (blue).The vertical axis is normalized to system asymptote i.e. perpetuity value M a /r for ...

  4. Method of dominant balance - Wikipedia

    en.wikipedia.org/wiki/Method_of_dominant_balance

    [10] [11] A consistent solution that balances two equation terms may generate an accurate approximation to the full equation's solution for values approaching . [ 11 ] [ 12 ] Approximate solutions arising from balancing different terms of an equation may generate distinct approximate solutions e.g. inner and outer layer solutions .

  5. Microsoft Math Solver - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Math_Solver

    Microsoft Math contains features that are designed to assist in solving mathematics, science, and tech-related problems, as well as to educate the user. The application features such tools as a graphing calculator and a unit converter. It also includes a triangle solver and an equation solver that provides step-by-step solutions to each problem.

  6. Amortization calculator - Wikipedia

    en.wikipedia.org/wiki/Amortization_calculator

    An amortization calculator is used to determine the periodic payment amount due on a loan (typically a mortgage), based on the amortization process. The amortization repayment model factors varying amounts of both interest and principal into every installment, though the total amount of each payment is the same.

  7. Day count convention - Wikipedia

    en.wikipedia.org/wiki/Day_count_convention

    This determines the number of days between two coupon payments, thus calculating the amount transferred on payment dates and also the accrued interest for dates between payments. [1] The day count is also used to quantify periods of time when discounting a cash-flow to its present value. When a security such as a bond is sold between interest ...

  8. If You Can Pass This Simple 10-Second Test, You’ll Probably ...

    www.aol.com/pass-simple-10-second-test-130000525...

    The researchers gave participants three chances to try to balance unsupported on one leg for 10 seconds during an initial checkup. They found that one in five failed to complete the task.

  9. Weak formulation - Wikipedia

    en.wikipedia.org/wiki/Weak_formulation

    In a weak formulation, equations or conditions are no longer required to hold absolutely (and this is not even well defined) and has instead weak solutions only with respect to certain "test vectors" or "test functions". In a strong formulation, the solution space is constructed such that these equations or conditions are already fulfilled.