Euler's formula

noun

Mathematics. the theorem that eix = cosx + isinx.

Mechanics. a formula for determining the maximum load that can be applied to a given column without causing it to buckle.

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Origin of Euler's formula

First recorded in 1945–50; named after L. Euler

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019