Stirling's formula
[ stur-lingz ]
/ ˈstɜr lɪŋz /
noun Mathematics.
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
British Dictionary definitions for stirling's formula
Stirling's formula
noun
a formula giving the approximate value of the factorial of a large number n, as n ! (n / e) n √(2π n)
Word Origin for Stirling's formula
named after James
Stirling (1692–1770), Scottish mathematician