Thanks for your answer, yes, I do use a mac OS X 10.6 (snow leopard) and the Sage version is sage-4.1.1-OSX10.5-intel-64bit
Sage has no problem with (simple) calculation, I already tried that and it works fine. Swanhild --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---