no big difference . 0 is min 4999 is max calibration 2499 is average in the world . <| sep |> I agree . I ' m working through the Android Development for Beginners course free at the moment and I highly recommend Udacity . I ' ve tried a few of the other online learning websites and come to believe this is one of the best . The teaching style is very clear and as you say , focus is on doing projects , which is fun and really makes you learn . <| sep |> Ding ding ding ! We have winner ! <| sep |> heard rumors that the warrior of light might be a primal . 3 <| sep |> Instead of uspez taking note there ' s no way to ignore mentions from subs you don ' t care about , he decides to edit user content ? Talk about taking an axe to any level of credibility we might have had for you , uspez .