Incomplete Gamma Function
    A          X        Actual     GCF(A,X)   GAMMLN(A)      GLN
   0.10    1.581139    0.010104    0.010104    2.252713    2.252713
   0.50    3.535534    0.007834    0.007834    0.572365    0.572365
   1.00    5.000000    0.006738    0.006738    0.000000    0.000000
   1.10    5.244044    0.006657    0.006658   -0.049872   -0.049872
   2.00    7.071068    0.006855    0.006855    0.000000    0.000000
   6.00   12.247449    0.017406    0.017406    4.787492    4.787492
  11.00   16.583124    0.059573    0.059573   15.104413   15.104413
  41.00   44.821869    0.264029    0.264032  110.320641  110.320641