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  2. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    Of these, is the only fraction in this sequence that gives more exact digits of π (i.e. 7) than the number of digits needed to approximate it (i.e. 6). The accuracy can be improved by using other fractions with larger numerators and denominators, but, for most such fractions, more digits are required in the approximation than correct ...

  3. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    Conversely the period of the repeating decimal of a fraction ⁠ c / d ⁠ will be (at most) the smallest number n such that 10 n − 1 is divisible by d. For example, the fraction ⁠ 2 / 7 ⁠ has d = 7, and the smallest k that makes 10 k − 1 divisible by 7 is k = 6, because 999999 = 7 × 142857. The period of the fraction ⁠ 2 / 7 ⁠ is ...

  4. Coherence (fairness) - Wikipedia

    en.wikipedia.org/wiki/Coherence_(fairness)

    If there are remaining seats, they should be allocated to the agents with the largest remainder – the largest fraction of the entitlement. Surprisingly, this rule is not coherent. As a simple example, suppose h = 5 {\displaystyle h=5} and the normalized entitlements of Alice, Bob and Chana are 0.4, 1.35, 3.25 respectively.

  5. Rounding - Wikipedia

    en.wikipedia.org/wiki/Rounding

    Rounding or rounding off means replacing a number with an approximate value that has a shorter, simpler, or more explicit representation. For example, replacing $ 23.4476 with $ 23.45, the fraction 312/937 with 1/3, or the expression √2 with 1.414 .

  6. Fat content of milk - Wikipedia

    en.wikipedia.org/wiki/Fat_content_of_milk

    3.25%. Whole milk or regular milk[ 16] 2%. 2% milk or reduced fat milk[ 17] 1%. 1% milk or low fat milk[ 17] 0–0.5%. Skim milk or nonfat milk[ 17] In the USA, skim milk is also known as nonfat milk, due to USDA regulations stating that any food with less than ½ gram of fat per serving can be labelled "fat free".

  7. Forward rate agreement - Wikipedia

    en.wikipedia.org/wiki/Forward_rate_agreement

    A forward rate agreement's (FRA's) effective description is a cash for difference derivative contract, between two parties, benchmarked against an interest rate index. That index is commonly an interbank offered rate (-IBOR) of specific tenor in different currencies, for example LIBOR in USD, GBP, EURIBOR in EUR or STIBOR in SEK.

  8. Percentile - Wikipedia

    en.wikipedia.org/wiki/Percentile

    Percentile. In statistics, a k-th percentile, also known as percentile score or centile, is a score below which a given percentage k of scores in its frequency distribution falls (" exclusive " definition) or a score at or below which a given percentage falls (" inclusive " definition). Percentiles are expressed in the same unit of measurement ...

  9. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    A binary number is a number expressed in the base -2 numeral system or binary numeral system, a method for representing numbers that uses only two symbols for the natural numbers: typically "0" (zero) and "1" (one). A binary number may also refer to a rational number that has a finite representation in the binary numeral system, that is, the ...