Performance question (RoC)

[ITO]

YA ! That's sur, you got to the point, and we can add to that so many theoritical deeply detailed aspect found in the ATPL that will most probabelly never be used, except during the exams, so that the papers you'll get stamped by the CAA will state that you have the required knowledge, up to standard, and after some years, using the FMGS, and other electronics poping up on nowadays airplane, you'll not have them anymore. Aaaaaall forgotten