On Wednesday, 3 August 2016 at 18:34:02 UTC, Ali Çehreli wrote: > On 08/03/2016 10:58 AM, Andre Pany wrote: > > > [...] > (linear/equals/....) > > [...] > common > > [...] > quadraticCoefficient(1)~linearCoefficient(2)~equals()~constant(1); > > [...] Thanks a lot Ali. Kind regards André