> Thank you for your reply,
I tried this on the cloud and this is what I get NameError Traceback (most recent call last)<ipython-input-2-695f21166a6f> in <module>()----> 1 F = GF(2^16) NameError: name 'GF' is not defined So it seems it requires me to import something, I am confused ! At the moment I am downloading the tar file for my mac, I will try what you wrote me there. It will take time because the mirrors aren't doing well. May I ask you , what version of sage are you using ? -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.