On 04/03/2013 07:52, dennis@home wrote:
On 04/03/2013 01:33, Alexander Lamaison wrote:

I've been celebrating my 19th birthday for quite some years now.

But thats telling porkies.
However you can be 20/21 forever by changing the base every couple of
years.

How so? 19 = x^1 + 9. Easily substitutes correctly for any age over 18
(or else the 9 digit is forbidden)

Andy