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The World’s Oldest and Most Accurate Trigonometry Table

Daniel Mansfield holds the Plimpton 322 tablet at the Rare Book and Manuscript Library at Columbia University in New York. Credit: Andrew Kelly/UNSW

Daniel Mansfield holds the Plimpton 322 tablet at the Rare Book and Manuscript Library at Columbia University in New York. Credit: Andrew Kelly/UNSW

By Daniel Mansfield

By decoding an ancient stone tablet, researchers have realised that the Babylonians employed a form of trigonometry that is very different to our own.

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