as long as the app has math nodes or equivalent.....yeah, lw has math nodes.  that's why i didn't catch your "sarcasm".  I am lost with the danged things.  let alone when to input as a vector, or otherwise.  I think I might be able to copy and tweak your node setups, though and come up with something.  I've been trying my best to do a decent sss simulation and looks as if you are headed in that direction as well.