> I just assumed that everyone saves their digital paystubs and calculating precise salary at any point in ones career is trivial. First off, not everyone gets

> I just assumed that everyone saves their digital paystubs and calculating precise salary at any point in ones career is trivial. First off, not everyone gets digital paystubs. It depends on how the company manages payroll, and whether they keep it in-house or subcontract it. Second, even if you do get a digital paystub, it is frequently a manual operation to download and save it outside of the payroll system. I personally have been bad about actually doing so.