March 14th is Pi Day. A whole day devoted to celebrating this never ending number.
To find out more about Pi - check out this article on Encyclopaedia Britannica:
Pi Dingbats Quiz
How good are you at Dingbats?
Download these Pi related Dingbats and have a go [PDF] [Login Required]
Go up to the English and maths department on Pi Day, with answers to these dingbats, to claim your winning pie!!