Please fill out the above registration information. Upon hitting the "Submit" button, you will be redirected to a link that will allow you to download the APPL software, which is free for educational and non-commercial use. For commercial use, please contact Andy Glen at FA1275@yahoo.com. The APPL software will not provide consistent results for the various versions of the Maple software. This registration site has been brought down. Please contact the authors if you are interested in APPL.