- a relation that approximates the value of n factorial (n!), expressed as .
Origin of Stirling's formula
1925–30; after James Stirling (died 1770), Scottish mathematician
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- a formula giving the approximate value of the factorial of a large number n, as n ! (n / e) n √(2π n)
named after James Stirling (1692–1770), Scottish mathematician
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