Definition of Euler's constant in English:

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Euler's constant

A constant used in numerical analysis, approximately equal to 0.577216. It represents the limit of the series 1 + 1/2 + 1/3 + 1/4 + ... 1/n − (natural logarithm of n), as n tends to infinity. It is not known whether this is a rational number or not.
Example sentences
  • He investigated the series and calculated Euler's constant to 15 decimal places.
  • In Adnotationes ad calculum integrale Euleri Mascheroni calculated Euler's constant to 32 decimal places.
  • For example he computed Euler's constant to 1271 decimal places and published the result in 1962.


Mid 19th century: named after L. Euler (see Euler, Leonhard).

For editors and proofreaders

Syllabification: Eu·ler's con·stant

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