Missing Method in UsersController

Error: The action recalculate is not defined in controller UsersController

Error: Create UsersController::recalculate() in file: a4/controllers/users_controller.php.

<?php
class UsersController extends AppController {

	var $name = 'Users';


	function recalculate() {

	}

}
?>

Notice: If you want to customize this error message, create a4/views/errors/missing_action.ctp