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  2. IEEE 754 - Wikipedia

    en.wikipedia.org/wiki/IEEE_754

    The standard requires operations to convert between basic formats and external character sequence formats. [57] Conversions to and from a decimal character format are required for all formats. Conversion to an external character sequence must be such that conversion back using round to nearest, ties to even will recover the original number.

  3. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    Expected fraction of population inside range Expected fraction of population outside range Approx. expected frequency outside range Approx. frequency outside range for daily event μ ± 0.5σ: 0.382 924 922 548 026: 0.6171 = 61.71 % 3 in 5 Four or five times a week μ ± σ: 0.682 689 492 137 086 [5] 0.3173 = 31.73 % 1 in 3 Twice or thrice a ...

  4. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    The Fraction class in the fractions module provides arbitrary precision for rational numbers. [ 129 ] Due to Python's extensive mathematics library, and the third-party library NumPy that further extends the native capabilities, it is frequently used as a scientific scripting language to aid in problems such as numerical data processing and ...

  5. Estate tax in the United States - Wikipedia

    en.wikipedia.org/wiki/Estate_tax_in_the_United...

    The gift tax exemption is equal to $5,250,000 [32] for estates of decedents dying in 2013, and $5,340,000 for estates of decedents dying in 2014. [ 33 ] The 2010 Act also provided portability to the credit, allowing a surviving spouse to use that portion of the pre-deceased spouse's credit that was not previously used (e.g. a husband died, used ...

  6. Web server - Wikipedia

    en.wikipedia.org/wiki/Web_server

    This is a very brief history of web server programs, so some information necessarily overlaps with the histories of the web browsers, the World Wide Web and the Internet; therefore, for the sake of clarity and understandability, some key historical information below reported may be similar to that found also in one or more of the above-mentioned history articles.

  7. Usage share of web browsers - Wikipedia

    en.wikipedia.org/wiki/Usage_share_of_web_browsers

    This can affect JavaScript-based tracking of browser statistics. ... Statistics from the United States government's Digital Analytics Program ... 4.32%: 4.21%: 49.40% ...

  8. Ejection fraction - Wikipedia

    en.wikipedia.org/wiki/Ejection_fraction

    Modalities applied to measurement of ejection fraction is an emerging field of medical mathematics and subsequent computational applications. The first common measurement method is echocardiography, [7] [8] although cardiac magnetic resonance imaging (MRI), [8] [9] cardiac computed tomography, [8] [9] ventriculography and nuclear medicine (gated SPECT and radionuclide angiography) [8] [10 ...

  9. Google Analytics - Wikipedia

    en.wikipedia.org/wiki/Google_Analytics

    A small fraction of users do not have JavaScript-enabled/capable browsers or turn this feature off. [50] These limitations, mainly ad filtering programs, can allow a significant number—sometimes the majority—of visitors to avoid the tracker.