!set exolist  =!char 1 to -2 of basic1,formulas,frac1,frac2,growpos,poly,simple1,compvert1a,compvert1b,multvert1,
!set titlelist=!char 1 to -2 of Basic derivatives I,Formulas,Fractions I,Fractions II,Growth and sign,Polynomial derivatives,Simple derivatives I,Virtual chain Ia,Virtual chain Ib,Virtual multiplication I,
!set exototal =!itemcnt $exolist

