Explanation: While the Roman Legions do rightfully have a reputation as a refined military machine, what enabled that military machine is the same thing that enables modern militaries - organization, and all the (metaphorical) paperwork that goes with it. The Legions in particular were very... exact about how they wanted formulaic requests made, even in things as small as an ordinary legionary requesting a few days leave from his centurion.
They would've gone nuts for Excel. And please, no one introduce any ambitious Tribunes to Powerpoint.