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  2. 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 .

  3. Transcendental number - Wikipedia

    en.wikipedia.org/wiki/Transcendental_number

    In mathematics, a transcendental number is a real or complex number that is not algebraic: that is, not the root of a non-zero polynomial with integer (or, equivalently, rational) coefficients.

  4. Euler's constant - Wikipedia

    en.wikipedia.org/wiki/Euler's_constant

    The area of the blue region converges to Euler's constant. Euler's constant (sometimes called the Euler–Mascheroni constant) is a mathematical constant, usually denoted by the lowercase Greek letter gamma (γ), defined as the limiting difference between the harmonic series and the natural logarithm, denoted here by log:

  5. Natural logarithm - Wikipedia

    en.wikipedia.org/wiki/Natural_logarithm

    The computational complexity of computing the natural logarithm using the arithmetic-geometric mean (for both of the above methods) is (() ⁡). Here, n is the number of digits of precision at which the natural logarithm is to be evaluated, and M ( n ) is the computational complexity of multiplying two n -digit numbers.

  6. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    where agm is the arithmetic–geometric mean and is the lemniscate constant. 1799 [31] ? Second Hermite constant [32] 1.15470 05383 79251 52901 [Mw 20] [OEIS 25] 1822 to 1901 Liouville's constant [33]

  7. Proof that e is irrational - Wikipedia

    en.wikipedia.org/wiki/Proof_that_e_is_irrational

    Euler wrote the first proof of the fact that e is irrational in 1737 (but the text was only published seven years later). [1] [2] [3] He computed the representation of e as a simple continued fraction, which is

  8. Common logarithm - Wikipedia

    en.wikipedia.org/wiki/Common_logarithm

    The mathematical notation for using the common logarithm is log(x), [4] log 10 (x), [5] or sometimes Log(x) with a capital L; [a] on calculators, it is printed as "log", but mathematicians usually mean natural logarithm (logarithm with base e ≈ 2.71828) rather than common logarithm when writing "log".

  9. Mathematical constant - Wikipedia

    en.wikipedia.org/wiki/Mathematical_constant

    The circumference of a circle with diameter 1 is π.. A mathematical constant is a number whose value is fixed by an unambiguous definition, often referred to by a special symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]