!set exolist  =!char 1 to -2 of xchgmult,sum,deg1,invx,invx2,lindeduc,possqr1,possqr2,fracx1,transiadd,majsqr1,majsqr1b,
!set titlelist=!char 1 to -2 of Exchange & mult,Given sum,Inequation of degree 1,Inverse I,Inverse II,Linear deduction,Positive square I,Positive square II,Simple fraction I,Transitivity and addition,Upper-bound the square I,Upper-bound the squrare Ib,
!set exototal =!itemcnt $exolist

