08 Jan 2013 Maths How many credit cards per person? Another quick and fun example of everyday deceptively LARGE numbers action. I recently used my first ‘virtual’ or temporary credit card, for a USA purchase.
13 Oct 2010 Maths 32 digits and the joy of logarithmic remembering I only recently learned about GUID’s, that is Globally Unique Identifiers, usually meaning the Microsoft one. It’s a ‘number’, but made up of
03 Dec 2009 Maps Maths Why no Melways of the Bush? I remember years ago wondering why there wasn’t a Melways (street directory) of the entire State of Victoria, including the bush areas. And here’