Mechanical calculators have the BEST divide-by-zero errors

In a delightful short video, Klara Sjberg demonstrates the extreme and alarming freakout that you can trigger in a mechanical calculator by trying to divide a number by zero; in a followup, Lynn Grant tweets "That is why the old Friden calculators had a 'Divide Stop' key."

What happens with you divide by zero on a mechanical calculator. pic.twitter.com/CLfeoSzqzX

— Klara Sjberg (@klara_sjo) April 13, 2019