Surfaces of Revolution

The applet will show you the surfaces obtained by revolving a section of a function around an axis of rotation.
  • Type a function of into the input box: . (no implicit functions and no .)
  • Move points C and D to choose an axis of rotation.
  • Move points A and B to select a segment of your function for rotation.
  • Either drag the angle slider by hand to revolve your function segment around your axis or click the triangle to revolve automatically.