Oldest Trigonometric Tablet

[Andie]

http://www.xinhuanet.com//english/2017-08/25/c_136554422.htm

SYDNEY, Aug. 25 (Xinhua) -- The mystery of a famous 3,700-year-old Babylonian clay tablet, once owned by the real "Indiana Jones," has been unlocked by an Australian mathematician, it was revealed Friday.

Dr. Daniel Mansfield's findings from the University of New South Wales in Sydney, are now the oldest example of an accurate trigonometric tablet, beating out Pythagoras and the better-known Greek mathematicians by more than 1,000 years.

The tablet was originally discovered in the Ottoman Empire (now modern-day Iraq) between 1900-1910 by Edgar Banks and has baffled the world's leading historians and researchers for over a century.

https://en.wikipedia.org/wiki/Edgar_James_Banks