Four hundred and fifty dollars for a simulation of a roughly-A5 notebook.

If you want a really nice A5 notebook it can run you an entire twenty five bucks. https://www.dickblick.com/products/leuchtturm1917-sketchbook... Wanna share what's on it? Your phone has a camera, right?

Unfortunately, that picture doesn't update automatically, so if you add things to that page, you have to retake the picture. Worse, if you don't take a picture of a page, there's no digital copy of it! If you've left your paper notebook at a different location, you can't take pictures of it unless you go to where it physically is! Inconceivable, I know, but it turns out there are benefits to a digital notepad. If you're too poor/cheap to spend money on high quality tools, that's your problem, but no, your paper notebook doesn't let you draw a lasso around a section of the page, copy and paste it onto a new page, and then resize it.