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  2. Twist per inch - Wikipedia

    en.wikipedia.org/wiki/Twist_per_inch

    This Twist Multiplier is an empirical parameter that has been established by experiments and practice that the maximum strength of a yarn is obtained for a definite value of K. In the case of ring spun cotton yarns, for example, the following values of K have been found to give the best results.

  3. Fixed-income attribution - Wikipedia

    en.wikipedia.org/wiki/Fixed-income_attribution

    Once a curve has been fitted, the user can then define various measures of shift, twist and butterfly, and calculate their values from the calculated parameters. For instance, the amount of shift in a curve modeled by a polynomial function can be modeled as the difference between the polynomial a 0 {\displaystyle a_{0}} parameters at successive ...

  4. Financial calculator - Wikipedia

    en.wikipedia.org/wiki/Financial_calculator

    A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities [1] (simple interest, compound interest, cash flow, amortization, conversion, cost/sell/margin, depreciation etc.).

  5. Accelerator effect - Wikipedia

    en.wikipedia.org/wiki/Accelerator_effect

    The accelerator effect operates in reverse as well: when the GDP declines (entering a recession), it negatively impacts business profits, sales, cash flow, capacity utilization, and expectations. Consequently, these factors discourage businesses from making fixed investments, which further intensifies the recession due to the multiplier effect. [2]

  6. Torsion constant - Wikipedia

    en.wikipedia.org/wiki/Torsion_constant

    In 1820, the French engineer A. Duleau derived analytically that the torsion constant of a beam is identical to the second moment of area normal to the section J zz, which has an exact analytic equation, by assuming that a plane section before twisting remains planar after twisting, and a diameter remains a straight line.

  7. Karush–Kuhn–Tucker conditions - Wikipedia

    en.wikipedia.org/wiki/Karush–Kuhn–Tucker...

    Letting be the quantity of output produced (to be chosen), () be sales revenue with a positive first derivative and with a zero value at zero output, () be production costs with a positive first derivative and with a non-negative value at zero output, and be the positive minimal acceptable level of profit, then the problem is a meaningful one ...

  8. Monte Carlo method - Wikipedia

    en.wikipedia.org/wiki/Monte_Carlo_method

    Multiply the result by 4 to estimate π. In this procedure, the domain of inputs is the square that circumscribes the quadrant. One can generate random inputs by scattering grains over the square, then performing a computation on each input to test whether it falls within the quadrant.

  9. Tax amortization benefit - Wikipedia

    en.wikipedia.org/wiki/Tax_amortization_benefit

    The tax amortization benefit factor (or TAB factor) is the result of a mathematical function of a corporate tax rate, a discount rate and a tax amortization period: = [(((+)))]