[loa_in_]

I imagine back then things like number systems and methods of proving were just made up as they go.

[lazide]

Clay tablets and a stylus also less convenient than pen and paper.

[KMag]

That entirely depends on how close you are to high-clay-content muddy bank with a growth of reeds vs. how close you are to the nearest convenience store/office supply store.

[lazide]

Did I just find a new metric to put on my rental house evaluation checklist? Maybe! Haha