# Stirling's formula

[stur-lingz]

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

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## Origin of Stirling's formula^{}

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

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## Stirling's formula

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

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## Word Origin

named after James Stirling (1692–1770), Scottish mathematician

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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