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  2. Bridge scoring - Wikipedia

    en.wikipedia.org/wiki/Bridge_scoring

    The difference in total points scored by each team is converted to International Match Points (IMPs) using a standard table [2] [12] which has sublinear dependencies on differences to reduce the effect of such large swings. [4] Originally named European Match Points (EMPs), [b] the scale provided for a maximum gain of 12 points as shown in the ...

  3. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    This calculator program has accepted input in infix notation, and returned the answer , ¯. Here the comma is a decimal separator. Here the comma is a decimal separator. Infix notation is a method similar to immediate execution with AESH and/or AESP, but unary operations are input into the calculator in the same order as they are written on paper.

  4. Check sheet - Wikipedia

    en.wikipedia.org/wiki/Check_sheet

    A check sheet is a form (document) used to collect data in real time at the location where the data is generated. The data it captures can be quantitative or qualitative. When the information is quantitative, the check sheet is sometimes called a tally sheet. [1] The check sheet is one of the so-called Seven Basic Tools of Quality Control. [2]

  5. Graphing calculator - Wikipedia

    en.wikipedia.org/wiki/Graphing_calculator

    Texas Instruments TI-84 Plus, the most successful graphing calculator in terms of sales. A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables.

  6. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    Friden made a calculator that also provided square roots, basically by doing division, but with added mechanism that automatically incremented the number in the keyboard in a systematic fashion. The last of the mechanical calculators were likely to have short-cut multiplication, and some ten-key, serial-entry types had decimal-point keys.

  7. Point estimation - Wikipedia

    en.wikipedia.org/wiki/Point_estimation

    , X n) be an estimator based on a random sample X 1,X 2, . . . , X n, the estimator T is called an unbiased estimator for the parameter θ if E[T] = θ, irrespective of the value of θ. [1] For example, from the same random sample we have E(x̄) = μ (mean) and E(s 2) = σ 2 (variance), then x̄ and s 2 would be unbiased estimators for μ and ...

  8. K2 - Wikipedia

    en.wikipedia.org/wiki/K2

    The major peaks in Karakoram are rank identified by height.. Legend: 1:K2, 2:Gasherbrum I, K5, 3:Broad Peak, 4:Gasherbrum II, K4, 5:Gasherbrum III, K3a, 6:Gasherbrum IV, K3, 7:Distaghil Sar, 8:Kunyang Chhish, 9:Masherbrum, K1, 10:Batura Sar, Batura I, 11:Rakaposhi, 12:Batura II, 13:Kanjut Sar, 14:Saltoro Kangri, K10, 15:Batura III, 16: Saser Kangri I, K22, 17 ...

  9. Binomial proportion confidence interval - Wikipedia

    en.wikipedia.org/wiki/Binomial_proportion...

    The probability density function (PDF) for the Wilson score interval, plus PDF s at interval bounds. Tail areas are equal. Since the interval is derived by solving from the normal approximation to the binomial, the Wilson score interval ( , + ) has the property of being guaranteed to obtain the same result as the equivalent z-test or chi-squared test.