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  2. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    An easy task for the beginner is extracting cube roots from the cubes of 2-digit numbers. For example, given 74088, determine what two-digit number, when multiplied by itself once and then multiplied by the number again, yields 74088. One who knows the method will quickly know the answer is 42, as 42 3 = 74088.

  3. Verhoeff algorithm - Wikipedia

    en.wikipedia.org/wiki/Verhoeff_algorithm

    [2] [3] It was the first decimal check digit algorithm which detects all single-digit errors, and all transposition errors involving two adjacent digits, [4] which was at the time thought impossible with such a code. The method was independently discovered by H. Peter Gumm in 1985, this time including a formal proof and an extension to any base ...

  4. Damm algorithm - Wikipedia

    en.wikipedia.org/wiki/Damm_algorithm

    The validity of a digit sequence containing a check digit is defined over a quasigroup. A quasigroup table ready for use can be taken from Damm's dissertation (pages 98, 106, 111). [ 3 ] It is useful if each main diagonal entry is 0 , [ 1 ] because it simplifies the check digit calculation.

  5. AOL

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. 2025 NFL Pro Bowl rosters announced: 9 Ravens to represent ...

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    AFC Pro Bowl roster (*denotes starter) Quarterback. Josh Allen, Buffalo Bills* Joe Burrow, Cincinnati Bengals. Lamar Jackson, Baltimore Ravens. Running back

  7. 'Gone Girl' kidnapper charged in home invasions from years ...

    www.aol.com/gone-girl-kidnapper-charged-home...

    Matthew Muller -- who pleaded guilty in the 2015 kidnapping and sexual assault of Denise Huskins -- was charged in connection with two other home invasions from 2009, the Santa Clara County ...

  8. Pollard's p − 1 algorithm - Wikipedia

    en.wikipedia.org/wiki/Pollard%27s_p_%E2%88%92_1...

    Let {q 1, q 2, …} be successive prime numbers in the interval (B 1, B 2] and d n = q n − q n−1 the difference between consecutive prime numbers. Since typically B 1 > 2, d n are even numbers. The distribution of prime numbers is such that the d n will all be relatively small. It is suggested that d n ≤ ln 2 B 2. Hence, the values of H 2 ...

  9. Why are Americans obsessed with a white Christmas? Blame ...

    www.aol.com/why-americans-obsessed-white...

    Americans are obsessed with a white Christmas and all the trimmings – snow, icicles, sleigh rides, frost on windowpanes, cuddling up by the fire, mittens, the North Pole. Christmas is a ...