/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dasunmadanayake1 https://public.slidesharecdn.com/v2/images/profile-picture.png "A mathematician is a blind man in a dark room looking for a black cat which isn't there." —Charles Darwin it's hard to understand me don't try it........ I wanna ride a Land Rover.....!!!