See if you can work out how much time you have left on your battery....[br][br]1, Start with all boxes unticked and drag the little blue dot at the top of the battery left and right. Try to estimate the percentage represented by the pink area.[br]2, Tick the first box to see if you were right.[br]3, Now tick the second box and change the slider to set the total (I.e. time when fully charged) to something not too tricky - maybe 200 mins?[br]4, Can you work out the time remaining on the battery?[br]5, Tick the third box to see if you were right.[br]6, Untick the third box and repeat 4 and 5 each time sliding the battery to a few different percentages. Once you've got the hang of that, change the total and try some more.