He overhears this and slings lower into the chair <| sep |> Those are secondorder partial derivatives . Fxy , for example , means take the partial derivative with respect to x , and then take the partial derivative with respect to y . <| sep |> Thanks man ! just what we were looking for <| sep |> Yesterday when Turkey shelled SAA positions in Latakia i tought something like this was bound to happen . <| sep |> Yeah as if everyone will shift . It ' s alright to play DPS , but don ' t cry that you have to wait to get dungeon invites if you don ' t have a tank or healer friend . So yes if you don ' t have , the best solution is to be one . Just because you change won ' t mean that everyone changes away from DPS . That ' s not how it is working .