It’s perhaps not more natural, the pedantic approach would have been, perhaps, to name the arguments to mod to be dividend and divisor, but the mental picture I’m reminded of when I see mod( x, y ) are the various lists of elementary operators:
Julia
Python
Irrational, I know, but it’s an example of why I like to write my code in such a manner. I find that “future-Greg” curses “past-Greg” a lot less when I do.