What function was used for current record of decimal places of EM cnst

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mesa
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The record for the number of decimal places of accuracy for the Euler-Mascheroni constant stands at just over 29,000,000,000 decimal places set by Alexander J. Yee & Raymond Chan back in 2009. Does anyone know what function they used to set this record?

***EDIT***
On further searching the record now stands at 31,000,000,000 decimal places, Wow!
How do we update wikipedia? :P
***EDIT***
Make that 119,377,958,182 :biggrin:
 
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mesa said:
The record for the number of decimal places of accuracy for the Euler-Mascheroni constant stands at just over 29,000,000,000 decimal places set by Alexander J. Yee & Raymond Chan back in 2009. Does anyone know what function they used to set this record?

***EDIT***
On further searching the record now stands at 31,000,000,000 decimal places, Wow!
How do we update wikipedia? :P
***EDIT***
Make that 119,377,958,182 :biggrin:

Took care of it.
 
UltrafastPED said:
Formulas are listed here: http://mathworld.wolfram.com/Euler-MascheroniConstant.html

I looked through those before, it seems the fastest converging of the bunch is the one done by Flajolet and Vardi in '96 although I do not understand how the 'n' is used so could be wrong.

SteamKing said:
Took care of it.

And yet another reason why I love PF.