2023 HHC "How well do you know your HP 41 functions?"

[do2]

(10-10-2023 07:18 AM)Werner Wrote:  ACDDEBEDDD

In the following 4 instances, I would have guessed the following different answers compared to Werner's:
1: E - because of 2 reasons actually: DEG does not calculate anything, and there is no key assigned to it
4: A - needs an argument in Y
8: E - no key assigned
10: E - ditto no key assigned

Tiebreaker 1: 3 steps x<>y, ST+T, ST-Z
And I must admit that I do not understand the question of Tiebreaker 2...