I don’t see how your example is ‘funny’. That’s what you expect to get. -5² is -25. (-5)² = 25.

Glad I can count my own country, Lithuania, among the enlightened.

EDIT: Source of the picture: https://en.m.wikipedia.org/wiki/File:Date_format_by_country_NEW.svg

I wonder what the numbers are for the rest of the world. it seems to me that Androids are much more popular at the far reaches of the EU e.g.