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Alphabetical Index New in MathWorld

History and Terminology
Wolfram Language Commands

PolyGamma

See

Digamma Function, Polygamma Function

Related Wolfram sites

http://functions.wolfram.com/GammaBetaErf/PolyGamma/, http://functions.wolfram.com/GammaBetaErf/PolyGamma2/

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Created, developed and nurtured by Eric Weisstein at Wolfram Research