Dear All, Our new poster is available for download and printing at http://nrich.maths.org/6812 It is based on the NRICH problem Circle Packing http://nrich.maths.org/604 With best wishes, The NRICH team _______________________________________________ To post to the list send an email to [log in to unmask] To unsubscribe send an email to [log in to unmask] with the message body UNSUBSCRIBE NRICH-TALK or unsubscribe via the web at http://www.jiscmail.ac.uk/cgi-bin/wa.exe?REPORT&Z=3