Creating Managed-Code UDFs for Excel Services

<br/><a href="http://video.msn.com/video.aspx?vid=9f8ce4fd-cf9c-4d14-a928-5a9c06ce478c" target="_new" title="SharePoint: Creating Managed-Code UDFs for Excel Services">Video: SharePoint: Creating Managed-Code UDFs for Excel Services</a>