!set exolist  =!char 1 to -2 of approxlin,approxlin2,champscalaire,deriv1,dersec,derdir,derpart,derpart2,taylor1,taylor2,varboite1,varboite2,varresist,
!set titlelist=!char 1 to -2 of Approximation linaire,Approximation linaire 2,Champ scalaire 2D,Composition I; drives partielles,Composition II Drives partielles,Drives directionnelles,Drives partielles 1,Drives partielles 2,Formule de Taylor (1),Formule de Taylor (2),Variation d'une bote II,Variation d'une bote II,Variation de rsistances I,
!set exototal =!itemcnt $exolist

