!set exolist  =!char 1 to -2 of addition,deriv,derivsum,combin,addmixed,sumwderiv,derivprod,int,multmixed,mult,multderiv,polynomial,square,squaresum,sumsquare,compo,division,reciproc,compinv1,compinv2,inv,linfrac,
!set titlelist=!char 1 to -2 of 1. Addition f+g,1. Derivative f',1. Derivative of sum (f+g)',1. Linear combination af+bg,1. Mixed addition,1. Sum with derivative f+f',2. Derivative of product (f*g)',2. Integral,2. Mixed multiplication,2. Multiplication f*g,2. Multiplication with derivative f*f',2. Polynomial of f,2. Square f^2,2. Square of sum (f+g)^2,2. Sum of squares f^2+g^2,3. Composition f(g(x)),3. Division f/g,3. Function 1/f,4. Inverse composition I,4. Inverse composition II,4. Inverse fonction f^-1,4. Linear fraction,
!set exototal =!itemcnt $exolist

