The prices given here are for educational users who will use the authoring tool on their desktop machines. They are not intended to support unprotected server use of the tool and such use is prohibited. Of course,the resulting authored homework/test can be used on a server. If you have a different use in mind please email us with a description. single user: $25.00 (Introductory Price) multiple users: $95.00 (Introductory Price) at a single site