Formulas in Excel

Please help me write a formula for calculating the function for excel: to calculate the approximate value of the factorial of the number n using the Stirling formula, using the functions DEGREE, EXP, ROOT, PI.

Here is the formula (only, of course, without the o small in the bracket):

alt text

For n from 1 to 20.

Author: Виталина, 2014-11-24