After taking gold in the halfpipe snowboarding event in each of the past two Olympics, American star Shaun White was in line to add some additional hardware to his trophy case with a medal in the new slopestyle event in Sochi...
Any point of an oval belongs to an arc with a constant radius (shorter or longer), but in an ellipse, the radius is continuously changing. In common speech. In common speech, oval means a shape rather like an egg or an ellipse, which may be two-dimensional or three-dimensional.
Guys, I am not proud of you today! the ^ symbol has nothing to do with the exponential in mathematics. The ^ symbol represent the logical conjunction, or more simply the logical and. Having ^ represent the exponential is not a mathematical convention, it is a text formatting shortcut, probably started by latex.