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  2. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    The factorial of also equals the product of with the next smaller factorial: ! = () = ()! For example, ! =! = = The value of 0! is 1, according to the convention for an empty product . [ 1 ]

  3. Factorial number system - Wikipedia

    en.wikipedia.org/wiki/Factorial_number_system

    Clearly the next factorial number representation after 5:4:3:2:1:0! is 1:0:0:0:0:0:0! which ... (The place value is the factorial of one less than the radix position ...

  4. List of mathematical series - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_series

    2.4 Modified-factorial denominators. 2.5 Binomial coefficients. ... Here, is taken to have the value {} denotes the fractional part of () is a Bernoulli ...

  5. Factorial experiment - Wikipedia

    en.wikipedia.org/wiki/Factorial_experiment

    Designed experiments with full factorial design (left), response surface with second-degree polynomial (right) In statistics, a full factorial experiment is an experiment whose design consists of two or more factors, each with discrete possible values or "levels", and whose experimental units take on all possible combinations of these levels across all such factors.

  6. Bhargava factorial - Wikipedia

    en.wikipedia.org/wiki/Bhargava_factorial

    The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 5! = 5×4×3×2×1 = 120. By convention, the value of 0! is defined as 1. This classical factorial function appears prominently in many theorems in number theory. The following are a few of these theorems. [1]

  7. Double factorial - Wikipedia

    en.wikipedia.org/wiki/Double_factorial

    These are counted by the double factorial 15 = (6 − 1)‼. In mathematics, the double factorial of a number n, denoted by n‼, is the product of all the positive integers up to n that have the same parity (odd or even) as n. [1] That is,

  8. Will Donald Trump’s tariffs hurt US consumers? - AOL

    www.aol.com/donald-trump-tariffs-hurt-us...

    So a car imported to the US with a value of $50,000 (£38,000) subject to a 25% tariff, would face a $12,500 charge. The charge is physically paid by the domestic company that imports the goods ...

  9. Falling and rising factorials - Wikipedia

    en.wikipedia.org/wiki/Falling_and_rising_factorials

    The value of each is taken to be 1 (an empty product) when =. These symbols are collectively called factorial powers. [2] The Pochhammer symbol, introduced by Leo August Pochhammer, is the notation (), where n is a non-negative integer.