I wonder how many people made errors with adding machines. And data entry into apps. My hunch is that mistakes will be made.
There's a building somewhere with the digits of pi painted on a ceiling. I presume it celebrates someone (maybe 18th Century) who calculated N digits. One of the numbers is painted larger and a different colour because it marks where the person first went wrong in the calculation
https://theconversation.com/economists-an-excel-error-and-th...