Credits:

EZ-Face was developed in joint effort by Jon Borwein, Petr Lisonek, Paul Irvine, Carlton Chan, and Joel Kamnitzer at the CECM with the support of an HPC Pioneer User Grant.

The GNU MP multiprecision library was used.

The algorithm used for computing the sums is described in:
J. M. Borwein, D. M. Bradley, D. J. Broadhurst and P. Lisonek,
Special values of multidimensional polylogarithms.
CECM Preprint 98:106, Centre for Experimental and Constructive Mathematics, Simon Fraser University, Canada.