factor

FACTOR(3M)                                                          FACTOR(3M)



NAME
       factor

DESCRIPTION
       function factor.f

       source
         Bevington, page 32.

       purpose
         calculates factorial function for integers

       usage
         result = factor (n)

       description of parameters
         n      - integer argument

       subroutines and function subprograms required
         none



                                                                    FACTOR(3M)