Radians, Number Line and the Unit Circle

This applet demonstrates the correspondence between the points on the number line and the points on the unit circle.
  • Enter a real number in the “step” input box. Try the applet with whole numbers, fractions, multiples or fractions of . (Example: pi/4)
  • Select “Wrap Positive Numbers” or “Wrap Negative Numbers”. Notice, you have to deselect one checkbox in order to be able to select the other one.