Accelerated Derivative-Free Method for Large-Scale Nonlinear Systems of Equations R package dfsaneacc version 1.0.3 Secant acceleration applied to derivative-free Spectral Residual Methods for solving large-scale nonlinear systems of equations. The main reference follows: E. G. Birgin and J. M. Martinez (2022) <doi:10.1137/20M1388024>. Software John L. Gardenghi <john.gardenghi@unb.br> Comprehensive R Archive Network (CRAN) Ernesto G. Birgin [aut, ctb], John L. Gardenghi [aut, cre, ctb, trl], Diaulas S. Marcondes [aut, ctb, trl], Jose M. Martinez [aut, ctb] GPL-3 2024-05-13 application/tgz https://CRAN.R-project.org/package=dfsaneacc doi:10.32614/CRAN.package.dfsaneacc