Scrolling: two fingers in the center of the key pad. Pull down, to have the page go down. Push up to move upward.
Sweep fingers in center of pad to right to move entire page right. Left for left.
Put your index finger and thumb together. Place them at the center of the pad. Push them apart and your text/view will enlarge. "Pinch" them back together and it will decrease.
Command plus up arrow, returns the screen to the very top. Option plus up arrow pages up. Down arrow for down.