A rewrite of the :doc:`CurrencyConverter example </examples/Cocoa/AppKit/CurrencyConverter/index>` using Cocoa Bindings.

Originally from `Introduction to Developing Cocoa Applications Using Bindings`, converted to PyObjC by u.fiedler.

.. http://developer.apple.com/documentation/Cocoa/Conceptual/CurrencyConverterBindings/index.html

   NOTE: The link above is dead
