!set exolist  =!char 1 to -2 of combi2,combi4,perpvec,angle,vecscal,volpara,parallelo,airellelo,combifind2,combifind,airetriang,voltetra,lenvec,lenvec2,rellin,givenscale,givenvec,perp2,combi,
!set titlelist=!char 1 to -2 of 2,4,ֱ,,ڻ,ƽ,ƽıεĶ,ƽı,,,,,볤,볤 II,Թϵ,֪ڻ,֪,ֱ,,
!set exototal =!itemcnt $exolist

