GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## #W read.g The XMODALG package Zekeriya Arvasi #W & Alper Odabas ## version 1.12, 14/11/2015 ## #Y Copyright (C) 2014-2015, Zekeriya Arvasi & Alper Odabas, ## ## read the actual code ReadPackage( "xmodalg", "lib/alg2obj.gi" ); ReadPackage( "xmodalg", "lib/util.gi" ); ReadPackage( "xmodalg", "lib/alg2map.gi" );