%0 Journal Article %T The Asymptotic Expansion of an Approximation Formula for the Factorial Function %A Cristinel Mortici %J Sel£¿uk Journal of Applied Mathematics %D 2011 %I Sel?uk University %X . The aim of this paper is to construct the asymptotic series of the approximation formulan!¡Ö¡Ì(((2¦Ð)/e))(((n+1)/e))^{n+(1/2)}stated in Mortici [Arch. Math. (Basel) 93(2009) no. 1 37-45]. %K Factorial function %K Stirling's formula %K numeric series %U http://www.sumam.selcuk.edu.tr/12-1-2.html