!set exolist  =!char 1 to -2 of basic,parallel,serial,par3,ser3,h,li,parser,bridge,
!set titlelist=!char 1 to -2 of 1 - weerstand,2 - parallel schakeling,2 - serie schakeling,3 - parallel schakeling,3 - serie schakeling,3 - type h,3 - type il,4 - parallel + serieschakeling,4 - type H,
!set exototal =!itemcnt $exolist

