Angle of Elevation

Finds the angle of elevation of your phone. Great for trigonometry lessons.

Flash and Math Angle of Elevation. Find the angle of elevation of your phone. Great introduction to a trigonometry lesson: Point the phone at the top of a tree and tap the screen. This will lock in place a measurement of the angle of elevation of your phone with the horizontal -- combine this information with your distance from the base of the tree to find the height of the tree above your phone. This experimental app is part of a complete suite of precalculus apps coming soon. Source code for the "Angle of Elevation" app can be found at www.flashandmath.com.