ELMER is a tool for demonstrating expert system techniques, or building any any interactive knowledgebase. It is ideal for use in amateur radio, or as a knowledgebase in a software (or any other product) support facility. The program is distributed as a Shareware product. You may freely copy and share the product for noncommercial use, with your friends and associates. If you decide to use the product, you are asked to become a registered user. For more information about ELMER type 'Help'