[tsjq]

okay. that is possible. in that case, it would've needed massive amounts of data entry work to feed all paperwork stuff into the core backend.

[jacobush]

Yes, that's just how things worked way back when. Say the computer systems banks and corporations used in the 1960s, for instance.

And that massive data entry work was still less work than running the calculations and summaries and projections etc on paper alone.