That's a mixed fraction in a foreign units System instead of a number. (Screw sizes are integers here)
Edit: we also use 1 1/3 instead of 1-1/3 in germany, making your way of writing it down more difficult to read.
This+rescale the dice rolls so they make sense. A 20 for them does not have to mean they crushed the challenge. They might just have gave it their all, had brief hope, and narrowly avoided death, or not.
Yes, but they are not gaming devices. They are meant to efficiently compute things. When used for that purpose they use little energy compared to other devices doing the same thing.
The games they Makro feature a message System which allows such messages. Namely Elden Ring, Dark Souls, Bloodborne