|  | Class | Description | 
|  | AxisLabelUtil | Used to measure dimensions for BitmapText objects. | 
|  | DateUtil | A collection of utility functions for the manipulation and inspection of date and time values. | 
|  | DisplayObjectUtil | Utility functions for use with DisplayObjects. | 
|  | DynamicRegistration | Allows you to manipulate display objects based on a registration point other
  than the standard (0,0). | 
|  | GeomUtil | Utility functions for common geometric operations. | 
|  | GraphicsUtil | Utility functions for drawing to Graphicsobjects. | 
|  | InstanceFactory | Creates an instance of the specified class. | 
|  | JavaScriptUtil | Utility functions for working with JavaScript and ExternalInterface. | 
|  | NumberUtil | A collection of utility functions for the manipulation of numeric values. | 
|  | TextUtil | Utility class for text fields | 
|  | TimeUnit | A collection of constants for date and time units. |