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  2. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    2: 2 3: 6 4: 24 5: 120 6: ... It can be extended to the non-integer points in the rest of the complex plane by solving for ... a 1975 calculator with a factorial key ...

  3. Double factorial - Wikipedia

    en.wikipedia.org/wiki/Double_factorial

    Unrooted binary trees with ⁠ n + 5 / 2 ⁠ labeled leaves. Each such tree may be formed from a tree with one fewer leaf, by subdividing one of the n tree edges and making the new vertex be the parent of a new leaf. Rooted binary trees with ⁠ n + 3 / 2 ⁠ labeled leaves. This case is similar to the unrooted case, but the number of edges ...

  4. Derangement - Wikipedia

    en.wikipedia.org/wiki/Derangement

    (n factorial) is the number of n ... This case is equivalent to solving the problem with n − 1 people and n − 1 hats because for each ... = 0.5 3 6 =6×10 0. 2 =2 ...

  5. HP 35s - Wikipedia

    en.wikipedia.org/wiki/HP_35s

    Here is a sample program that computes the factorial of an integer number from 2 to 69 (ignoring the calculator's built-in factorial/gamma function). There are two versions of the example: one for algebraic mode and one for RPN mode. The RPN version is significantly shorter. Algebraic version:

  6. Factorion - Wikipedia

    en.wikipedia.org/wiki/Factorion

    For =, the sum of the factorials of the digits is simply the number of digits in the base 2 representation since ! =! =. A natural number n {\displaystyle n} is a sociable factorion if it is a periodic point for SFD b {\displaystyle \operatorname {SFD} _{b}} , where SFD b k ⁡ ( n ) = n {\displaystyle \operatorname {SFD} _{b}^{k}(n)=n} for a ...

  7. Stirling's approximation - Wikipedia

    en.wikipedia.org/wiki/Stirling's_approximation

    [1] [2] [3] One way of stating the approximation involves the logarithm of the factorial: ⁡ (!) = ⁡ + (⁡), where the big O notation means that, for all sufficiently large values of , the difference between ⁡ (!

  8. Texas could bus migrants directly to ICE for deportation ...

    www.aol.com/texas-planning-bus-migrants-directly...

    By voting Trump back into office, voters “soundly repudiated Biden’s radical open borders policies” that “made less Americans safe,” said Texas State Rep. Brian Harrison.

  9. Yates analysis - Wikipedia

    en.wikipedia.org/wiki/Yates_Analysis

    Before performing a Yates analysis, the data should be arranged in "Yates' order". That is, given k factors, the k th column consists of 2 (k - 1) minus signs (i.e., the low level of the factor) followed by 2 (k - 1) plus signs (i.e., the high level of the factor). For example, for a full factorial design with three factors, the design matrix is