Mathspigs, you can check your maths skills by picking up the nearest product with a 13-digit barcode and calculating the CHECK DIGIT. The answer is at the end of the barcode. How a BARCODE works: You can find an alternative explanationhere. If your calculations won’t work use the online...
The Spy They Called the Quiet Man; Maths Genius, Loner and Cycling Fanatic at Centre of Murder MysteryByline: David Williams and Emily AndrewsDaily Mail (London)