TIL German mental calculator Gert Mittring broke the world record for taking roots when he successfully calculated the 89247th root of a million-digit number.
https://en.wikipedia.org/wiki/Gert_Mittring
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/18ebfg1/til_german_mental_calculator_gert_mittring_broke/