On Sunday, April 23, 2017 at 2:40:25 PM UTC+8, Nasser M. Abbasi wrote:   
   >   
   > Does this mean that Fricas will not return result like this:   
   >   
   > Integrate[ArcTanh[t] Log[t]/t, t]   
   > (1/2)*((-Log[t])*PolyLog[2, -t] + Log[t]*PolyLog[2, t] + PolyLog[3, -t] -   
   PolyLog[3, t])   
   >   
   >   
   > Because "polylog" is not considered elementary function? So Fricas   
   > will return result which only contains elementary functions?   
   >   
   > Ok, got it :)   
   >   
   > --Nasser   
      
   The orginal Risch algorithm deals with "elementary" functions only,   
   however there are extensions, and FriCAS supports a few "special"   
   functions, but not in this case.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)