http://www.netvouz.com/narky/tag/map?feed=rss narky's bookmarks tagged "map" on Netvouz http://en.wikipedia.org/wiki/Bijection In mathematics, a bijection, or a bijective function is a function f from a set X to a set Y with the property that, for every y in Y, there is exactly one x in X such that f(x) = y. Alternatively, f is bijective if it is a one-to-one correspondence between those sets; i.e., both one-to-one (injective) and onto (surjective).[1] (See also Bijection, injection and surjection.) Educational > Mathematics > Ideas/Explanations/Wiki or Mathworld lookups narky Mon, 30 Apr 2007 02:38:51 GMT http://visualit.co.uk/Palm/palm_Tube2_melbourne.htm This map package for Tube 2 consists of a fully scrollable detailed map of the Melbourne metro & rail system. Plan journeys on this system, list details of the quickest routes and see a superb animated display of your journey tracking around the system map. Computing > PDA > software narky Fri, 07 Jul 2006 03:09:02 GMT