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  2. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Analysis is further subdivided into real analysis, where variables represent real numbers, and complex analysis, where variables represent complex numbers. Analysis includes many subareas shared by other areas of mathematics which include: [14] Multivariable calculus; Functional analysis, where variables represent varying functions

  3. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    Many properties of a natural number n can be seen or directly computed from the prime factorization of n.. The multiplicity of a prime factor p of n is the largest exponent m for which p m divides n.

  4. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    He also developed techniques used to solve three non-linear simultaneous equations with three unknown variables. One unique feature of his works was trying to find all the possible solutions to some of his problems, including one where he found 2676 solutions. [ 157 ]

  5. e (mathematical constant) - Wikipedia

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

    The number 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 .

  6. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.

  7. Unemployment in the United States - Wikipedia

    en.wikipedia.org/wiki/Unemployment_in_the_United...

    The unemployment rate (U-3), measured as the number of persons unemployed divided by the civilian labor force, rose from 5.0% in December 2007 to peak at 10.0% in October 2009, before steadily falling to 4.7% by December 2016 and then to 3.5% by December 2019. [40] By August 2023, it reached 3.8 percent. [41]

  8. Atlanta - Wikipedia

    en.wikipedia.org/wiki/Atlanta

    Atlanta encompasses 134.0 square miles (347.1 km 2), of which 133.2 square miles (344.9 km 2) is land and 0.85 square miles (2.2 km 2) is water. [84] The city is situated in the Deep South of the southeastern United States among the foothills of the Appalachian Mountains .

  9. Deep learning - Wikipedia

    en.wikipedia.org/wiki/Deep_learning

    Deep learning is a subset of machine learning that focuses on utilizing neural networks to perform tasks such as classification, regression, and representation learning.The field takes inspiration from biological neuroscience and is centered around stacking artificial neurons into layers and "training" them to process data.