Â鶹´«Ã½

Letter: Christmas P's

Published 9 February 2011

From Susie Schofield

I looked into the “P versus NP problem” on Christmas Day (25 December 2010, p 24), and am happy to confirm that Presents (P) most definitely do not equal No Presents (NP). I claim my $1 million prize.

Dundee, UK

Issue no. 2799 published 12 February 2011

Â鶹´«Ã½ issue 2799 cover

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with Â鶹´«Ã½ events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop