“Mandel zoom 11 satellite double spiral”. Licensed under CC BY-SA 3.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Mandel_zoom_11_satellite_double_spiral.jpg#/media/File:Mandel_zoom_11_satellite_double_spiral.jpg
Mr Gelston's One Room Schoolhouse
Online Math Homeschool Program for Gifted and Twice Exceptional Children
