Its cleaner! When you finish mixing a batch you can throw away the mix ticket. You will be printing another the next time. And likely to a different total.
It is so much easier to print a mix ticket for whatever total you want. Resulting in fewer errors, more confidence in batches you have mixed.
Notes. It is a much better place to take notes than that old binder you use. And the chance of losing them is the same as the chance of losing the phone that you access them with. No, wait, it is way less. Because any internet connected phone or device with a browser can be used.
Stop! Think! Do not get addicted to the trafficking in online glaze recipes. Learn to make your own or adjust/adapt/fix what you find online.