8-5.sm (6 KiB) downloaded 54 time(s).

Gamma functions are broken. Not very accurate to be fair.
Use sample functions either from myself or from Razonar's.

Regards

https://en.smath.com/forum/yaf_postst20338p2_Gamma-Functions.aspx

gamma_r9.sm (36 KiB) downloaded 76 time(s). <- My sample


gamma.sm (27 KiB) downloaded 75 time(s). <- Razonar's sample