It's not lack of paper that's the limit here. It's how much you are able to see at once. Personally I feel like the notation is not the problem. However what is

It's not lack of paper that's the limit here. It's how much you are able to see at once. Personally I feel like the notation is not the problem. However what is a problem is that mathematicians have a tendency to use notation without defining it (and mathematically notation is not as standardised as you might think).