example?

TRAINING: TL * [Constant] * [1 + BONUS]
WORKING:  [Constant] * [1 + BONUS}
"SINNOVIAN WALKS" / SOCIALIZATION / RESEARCH: 1d100-[constant * BONUS] or something
CATCHING: constant + [BONUS] species.

BONUS per category starts at 0.
THESE CLASSES GIVE A BONUS TO TRAINING.  EACH INCREASE IS .5:

THESE TO WORKING EACH INCREASE IS .5:

"SINNOVIAN WALKS" / SOCIALIZATION / RESEARCH. EACH BONUS IS 1:

CATCHING.  EACH BONUS IS 1 :

(I didn't list them, but 15 classes, 5 categories, could easily make classes have bonuses to one or two each.)

SPECIALIZED BONUSES: DUE TO UNIQUE JOBS, POSITIONS OR OTHER TRAITS.