Jisho

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とうしき 等式
Expressions (phrases, clauses, etc.), Noun
1. Euler's identity; Euler's equationMathematics
Wikipedia definition
2. Euler's identityIn analytical mathematics, Euler's identity (also known as Euler's equation), named for the Swiss-German mathematician Leonhard Euler, is the equality where e is Euler's number, the base of natural logarithms, i is the imaginary unit, which satisfies i = −1, and π is pi, the ratio of the circumference of a circle to its diameter.
Read “Euler's identity” on English Wikipedia
Read “オイラーの等式” on Japanese Wikipedia
Read “Euler's identity” on DBpedia

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