/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: robertabetti https://cdn.slidesharecdn.com/profile-photo-robertabetti-48x48.jpg?cb=1523073077 28/03/1988 - 23/02/2011 23/02/2011 - log x / sqrt β / writeln spect