An ancient formula is astoundingly accurate. Why didn't we learn this in school?
0:00 history
2:32 calculations
7:22 sqrt 2
10:19 intuition
Babylonian tablet YBC 7289
en.wikipedia.org/wiki/YBC_7289
commons.wikimedia.org/wiki/File:YBC-7289-OBV-REV.j…
commons.wikimedia.org/wiki/File:YBC-7289-OBV-label…
Babylonian numerals
en.wikipedia.org/wiki/Babylonian_cuneiform_numeral…
commons.wikimedia.org/wiki/File:Babylonian_numeral…
Josell7, CC BY-SA 4.0 creativecommons.org/licenses/by-sa/4.0 via Wikimedia Commons
Babylonian Method of Computing the Square Root, Olga Kosheleva
www.cs.utep.edu/vladik/2009/olg09-05a.pdf
A 3D-print of ancient history
ipch.yale.edu/news-events/3d-print-ancient-history…
tecmath video square root
• Square root of ANY number instantly -...
Square Root Approximations in Old Babylonian Mathematics: YBC 7289 in Context, David Fowler, Eleanor Robson
www.sciencedirect.com/science/article/pii/S0315086…
Math! Science! History! It Didn't Belong to Pythagoras
• It Didn't Belong to Pythagoras
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