      *  @playerversion AIR 1.5
      *  @productversion Flex 4
      */
-    private var _exponent:int;
+    private var _exponent:Number;
     /**
      *  The exponent used in the easing calculation. 
      *  The higher the value of the <code>exponent</code> property, 

     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function Power(easeInFraction:Number = .5, exponent:Number = 2)
    {
        super(easeInFraction);
        this.exponent = exponent;
    }

    /**
     *  Returns a value that represents the eased fraction during the 
     *  ease in phase of the animation. 
     *  The easing calculation for Power is equal to 

     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function get exponent():Number
    {
        return _exponent;
    }
    public function set exponent(value:Number):void
    {
        _exponent = value;
    }
