This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Mechanical calculators have been around since the 1700’s and widespread since the 1920’s, though. And before that we had the abacus and slide rule. Mental math has never been a flex, lol
Mechanical calculators have been around since the 1700’s and widespread since the 1920’s, though. And before that we had the abacus and slide rule. Mental math has never been a flex, lol