!set exolist  =!char 1 to -2 of nonderrecip,quadratic,bijquad,fraction,reciproc,invval,
!set titlelist=!char 1 to -2 of ΢溯,κ,κ˫,ʽ,溯ĵ,溯ֵ,
!set exototal =!itemcnt $exolist

