"Our research reveals that Plimpton 322 describes the shapes of right-angle triangles using a novel kind of trigonometry based on ratios, not angles and circles. It is a fascinating mathematical work that demonstrates undoubted genius. 'The tablet not only contains the world’s oldest trigonometric table; it is also the only completely accurate trigonometric table, because … Continue reading Mathematical Secrets of Ancient Tablet Unlocked After Nearly a Century of Study