Stirling's formula

American

[stur-lingz] / ˈstɜr lɪŋz /

noun

Mathematics.

a relation that approximates the value of n factorial (n! ), expressed as .

Stirling's formula British

noun

a formula giving the approximate value of the factorial of a large number n, as n ! ( n / e ) ⁿ √(2π n )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Stirling's formula

1925–30; after James Stirling (died 1770), Scottish mathematician

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Stirling's formula

Stirling’s formula is obtained by retaining the first term only.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

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