30-day money back guarantee on all versions..
How to Purchase
There are several ways to order the games:
Online -Press the Selected Buy Now button.
Send a school purchase order by fax or mail to: By phone, 800-848-2424.
Lab Packs and Site Licenses Available - Call for pricing (800-848-2424)
Centron Software, Inc.
8 Lacosta Lane
Pinehurst, NC 28374
Fax: 910-296-8908