Benchmark test e^x^3

[Beginner]

O.K., I´ll try it:

1. I press the home button.
2. I press the 3rd button in the first row and choose the mask of the integral function.
3. I fill in the lower (0) and the upper (6) border.
4. I fill in the function e^x^3.
5. I press "enter".
6. I recieve the value 5,96... E91.

I repeat the procedure and choose as upper border 7.
I revieve the value 6,259.... E146.
I repeat the procedure anc choose as upper border 8.
I recieve the value 1,19135... E220.
I repeat the procedure and choose as upper border 9.
I have to wait 3 sec an then recieve "Fehler: Ungültige Eingabe"
I repeat the procedure and choose as upper border 8,9.
I recieve the value 6,1459... E303.