User blog comment:Swooped me in one hit/I need help./@comment-29310326-20170219191145/@comment-30754445-20170219201059

No.

Because you still don't know how to create a notation of your own, and that was the whole point of my example.

I'm building a (small) notation here to show you how it is done:

@a = a^2

What is @7.