In a message of Tue, 21 Apr 2009 17:34:17 +0200, Laura Creighton writes: <snip>

less than 1' times the speed. I want a very hard break at the point 0, and for you then to go about telling me how many times slower than something that something else is.

Aargh! I meant at the point 1, of course. Which may indicate that inside my head I would like positive numbers to mean 'faster' and negative numbers to mean 'slower' or some such nonsense. :) Laura