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  2. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    TI SR-50A, a 1975 calculator with a factorial key (third row, center right) The factorial function is a common feature in scientific calculators. [73] It is also included in scientific programming libraries such as the Python mathematical functions module [74] and the Boost C++ library. [75]

  3. Stirling's approximation - Wikipedia

    en.wikipedia.org/wiki/Stirling's_approximation

    Comparison of Stirling's approximation with the factorial. In mathematics, Stirling's approximation (or Stirling's formula) is an asymptotic approximation for factorials. It is a good approximation, leading to accurate results even for small values of .

  4. Double factorial - Wikipedia

    en.wikipedia.org/wiki/Double_factorial

    The term odd factorial is sometimes used for the double factorial of an odd number. [5] [6] The term semifactorial is also used by Knuth as a synonym of double ...

  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. Derangement - Wikipedia

    en.wikipedia.org/wiki/Derangement

    (n factorial) is the number of n-permutations; !n (n subfactorial) is the number of derangements – n-permutations where all of the n elements change their initial places. In combinatorial mathematics , a derangement is a permutation of the elements of a set in which no element appears in its original position.

  7. Kennedy Johnson was a teenager when she gave birth to a baby girl in a Detroit foster home. Then, on a visit to Ghana, she was chosen to become “Friendship Queen.”

  8. Today's Wordle Hint, Answer for #1244 on Thursday, November ...

    www.aol.com/todays-wordle-hint-answer-1244...

    Today's Wordle Answer for #1244 on Thursday, November 14, 2024. Today's Wordle answer on Thursday, November 14, 2024, is UVULA. How'd you do? Next: Catch up on other Wordle answers from this week.

  9. You need money and have no savings. Here’s what to do instead ...

    www.aol.com/finance/money-no-savings-instead...

    When faced with unexpected expenses of $1,000 or more, 1 out of 5 U.S. adults (21 percent) would do the same, according to Bankrate’s 2024 Annual Emergency Savings Report. As you can see, it’s ...