Hi, http://xarch.tu-graz.ac.at/publ/cygwin/release/mathomatic/mathomatic-12.5.12-1-src.tar.bz2 http://xarch.tu-graz.ac.at/publ/cygwin/release/mathomatic/mathomatic-12.5.12-1.tar.bz2 keep mathomatic-12.5.11-1 as prev and delete the rest -- Reini