Let (a =. _1 _1 0 0 0 1) and (b =. 2 3). For my own education I am trying to make a homecooked version of (p.). (+`*/}:(,a,.2),.,a,.3) produces the same result as (a p. b) I need a nice verb (f) such that (a f b) produces ((,a,.2),.,a,.3) Thanks! Bo.