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  2. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel maintains 15 figures in its numbers, but they are not always accurate; mathematically, the bottom line should be the same as the top line, in 'fp-math' the step '1 + 1/9000' leads to a rounding up as the first bit of the 14 bit tail '10111000110010' of the mantissa falling off the table when adding 1 is a '1', this up-rounding is not undone when subtracting the 1 again, since there is no ...

  3. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    A pie chart showing the percentage by web browser visiting Wikimedia sites (April 2009 to 2012). In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100.

  4. Exponential distribution - Wikipedia

    en.wikipedia.org/wiki/Exponential_distribution

    In probability theory and statistics, the exponential distribution or negative exponential distribution is the probability distribution of the distance between events in a Poisson point process, i.e., a process in which events occur continuously and independently at a constant average rate; the distance parameter could be any meaningful mono-dimensional measure of the process, such as time ...

  5. 87 (number) - Wikipedia

    en.wikipedia.org/wiki/87_(number)

    87 is: . the sum of the squares of the first four primes (87 = 2 2 + 3 2 + 5 2 + 7 2).; the sum of the sums of the divisors of the first 10 positive integers. [1]the thirtieth semiprime, [2] and the twenty-sixth distinct semiprime [3] and the eighth of the form (3.q).

  6. List of current heads of state and government - Wikipedia

    en.wikipedia.org/wiki/List_of_current_heads_of...

    This is a list of current heads of state and heads of government.In some cases, mainly in presidential systems, one leader is head of state and head of government.In other cases, mainly in semi-presidential and parliamentary systems, the head of state and the head of government are different people.

  7. Kevin Costner - Wikipedia

    en.wikipedia.org/wiki/Kevin_Costner

    Kevin Michael Costner (born January 18, 1955) is an American actor and filmmaker. He has received various accolades, including two Academy Awards, three Golden Globe Awards, and a Primetime Emmy Award.

  8. Martin Shkreli - Wikipedia

    en.wikipedia.org/wiki/Martin_Shkreli

    Martin Shkreli (/ ˈ ʃ k r ɛ l i /; born March 17, 1983) is an American investor and businessman.Shkreli is the co-founder of the hedge funds Elea Capital, MSMB Capital Management, and MSMB Healthcare, the co-founder and former CEO of pharmaceutical firms Retrophin and Turing Pharmaceuticals, and the former CEO of start-up software company Gödel Systems, which he founded in August 2016.

  9. Starbucks - Wikipedia

    en.wikipedia.org/wiki/Starbucks

    Starbucks originally opened in Seattle, Washington, on March 30, 1971. [7] By selling high-quality coffee beans and equipments related, Starbucks became a local coffee bean retailer for the first ten years in Seattle. [8]