Calculate a baseball player's batting average. Calculating a baseball player's batting average is not a difficult task at all. A batting average represents the percentage of at bats that result in hits for a particular baseball player. The formula is: That's all there is to it.
To fly under the radar means to act in a way so as to actively avoid detection. It is the opposite of 'in your face'. There is an element of getting away with something but it is not necessarily bad.
n a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight. an airfoil that controls lateral motion. the airfoil on the tailplane of an aircraft that makes it ascend or descend. a movable airfoil that is part of an aircraft wing; used to increase lift or drag.