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  2. Plus–minus sign - Wikipedia

    en.wikipedia.org/wiki/Plus–minus_sign

    The symbols ± and ∓ are used in chess annotation to denote a moderate but significant advantage for White and Black, respectively. [4] Weaker and stronger advantages are denoted by ⩲ and ⩱ for only a slight advantage, and +– and –+ for a strong, potentially winning advantage, again for White and Black respectively. [5]

  3. e (mathematical constant) - Wikipedia

    en.wikipedia.org/wiki/E_(mathematical_constant)

    The numberoshi e is a mathematical constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function.It is sometimes called Euler's number, after the Swiss mathematician Leonhard Euler, though this can invite confusion with Euler numbers, or with Euler's constant, a different constant typically denoted .

  4. List of countries by tax rates - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_tax_rates

    20% (10% for small taxpayer, those with revenue in a given tax year not exceeding the equivalent of €40,000) — — — Taxation in Saint Martin Saint Pierre and Miquelon: 33.3% (15% for small taxpayer, those with revenue in a given tax year not exceeding the equivalent of €600,000) — — — Taxation in Saint Pierre and Miquelon

  5. Pearson correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Pearson_correlation...

    Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.

  6. Google Play - Wikipedia

    en.wikipedia.org/wiki/Google_Play

    Google Play, also known as the Google Play Store or Play Store and formerly known as Android Market, is a digital distribution service operated and developed by Google.It serves as the official app store for certified devices running on the Android operating system and its derivatives, as well as ChromeOS, allowing users to browse and download applications developed with the Android software ...

  7. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    In the figure, the fraction 1/9000 is displayed in Excel. Although this number has a decimal representation that is an infinite string of ones, Excel displays only the leading 15 figures. In the second line, the number one is added to the fraction, and again Excel displays only 15 figures. In the third line, one is subtracted from the sum using ...

  8. Carolyn Corvi - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/carolyn-corvi

    From October 2010 to December 2012, if you bought shares in companies when Carolyn Corvi joined the board, and sold them when she left, you would have a -5.3 percent return on your investment, compared to a 24.4 percent return from the S&P 500.

  9. Fire OS - Wikipedia

    en.wikipedia.org/wiki/Fire_OS

    developer.amazon.com /docs /fire-tv /fire-os-overview.html Fire OS is a Android -based operating system developed by Amazon for their hardware devices . Fire OS includes proprietary software , a customized user interface primarily centered on content consumption, and heavy ties to content available from Amazon's storefronts and services.