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  2. Old wood effect - Wikipedia

    en.wikipedia.org/wiki/Old_wood_effect

    The old wood effect or old wood problem is a pitfall encountered in the archaeological technique of radiocarbon dating. A sample will provide misleading or confusing results if materials of different ages are deposited in the same context. Stratification is not always clear-cut in practice. In the case of dating megalithic tombs, indirect ...

  3. Logging (computing) - Wikipedia

    en.wikipedia.org/wiki/Logging_(computing)

    In computing, logging is the act of keeping a log of events that occur in a computer system, such as problems, errors or just information on current operations. These events may occur in the operating system or in other software. A message or log entry is recorded for each such event.

  4. List of logarithmic identities - Wikipedia

    en.wikipedia.org/wiki/List_of_logarithmic_identities

    The identities of logarithms can be used to approximate large numbers. Note that log b (a) + log b (c) = log b (ac), where a, b, and c are arbitrary constants. Suppose that one wants to approximate the 44th Mersenne prime, 2 32,582,657 −1. To get the base-10 logarithm, we would multiply 32,582,657 by log 10 (2), getting 9,808,357.09543 ...

  5. Index calculus algorithm - Wikipedia

    en.wikipedia.org/wiki/Index_calculus_algorithm

    The algorithm is performed in three stages. The first two stages depend only on the generator g and prime modulus q, and find the discrete logarithms of a factor base of r small primes. The third stage finds the discrete log of the desired number h in terms of the discrete logs of the factor base.

  6. History of logarithms - Wikipedia

    en.wikipedia.org/wiki/History_of_logarithms

    He then called the logarithm, with this number as base, the natural logarithm. As noted by Howard Eves, "One of the anomalies in the history of mathematics is the fact that logarithms were discovered before exponents were in use." [16] Carl B. Boyer wrote, "Euler was among the first to treat logarithms as exponents, in the manner now so ...

  7. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    Most problems with viewing image attachments in AOL Mail can be fixed with a bit of trouble shooting. Try again later. If you've tried everything else and you're still not seeing images, it may be best to try again later. The problem could be caused by server delays due to a lot of people accessing their email at once.

  8. Fix problems signing in to AOL Mail

    help.aol.com/articles/fix-problems-signing-in-to...

    While most sign in problems can stem from password issues, you might also get blank or missing screens, or various errors when trying to sign in. No matter the problem you're experiencing, the following troubleshooting steps should help you get back in your AOL Mail quickly. Sign in again

  9. Van 't Hoff equation - Wikipedia

    en.wikipedia.org/wiki/Van_'t_Hoff_equation

    In 2010, a Van 't Hoff analysis was used to determine whether water preferentially forms a hydrogen bond with the C-terminus or the N-terminus of the amino acid proline. [12] The equilibrium constant for each reaction was found at a variety of temperatures, and a Van 't Hoff plot was created.