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So, to keep the user-base for Poser, we must try to chew the unavoidable math bit down to a level that can be understood by the average human with some interest in math. Find a way to keep the hairy math 'under the hood', and present suitable options in a manner that can be understood, used and tinkered with by users. A good example is the set of filter functions in Photoshop: The basic operations are lumped into adjustable and recognizable presets that make sense for users.

Please allow me to add that the fundamental math like it is now in the materials room would need to remain available like it is now. The idea was to make a sort of 'containers', or function-blocks if you want, to wrap up the hairy bits, into which one can go at will, but that can be left closed if no action needed. See it as a bit of house-keeping. Input nodes would be shown on the outside of the container when closed.