What feels illegal but actually isnt?

Basically what I did but through what they provide themselves.

Didn't live an age where online exercises were a thing :CringeHarold:

well my whole math is online.

Even in uni, the math teacher would print a 200 pages file for every student that would be our course ... 200 fucking pages of maths, while most of us had computers and could have just gotten the pdf

What a fun guy.. Sounds like he was lovely..

Well, he was, but just a bit old on the methods.