The most powerful calculator in the world

[akmon]

Well, just for curiosity, I googled the title of the thread to see what it shows, and I found a forum saying that TI Nspire CAS was the best. The reason: he tried to do this: solve(a*x^3+b*x^2+c*x+d=0, x) and the calc managed to solve it with a huge expression.

The result is not very profitable, but it served to test a calculator with a very difficult test, and it was successful.
Obviously, as a proud owner of the HP Prime, I wanted to try, but did not give the solution. Unless there is another procedure that achieves it. Can you get it with yours?
I imagine that there are a thousand ways to justify which is the best calculator in the world, and surely the HP Prime is the best in many aspects, but I wanted to leave this thread in case anyone accepts the challenge of getting HP to be able to solve that equation with symbolic variables.

Anyway, do you think HP Prime is the best calculator in the world? (take in consideration that v3 beta firmware has been released). If not, which one?