This means fewer technical problems and no lost or misplaced materials. Subscription-Based, Password Protected Students purchase a subscription, six months or one year. Each user receives a personal password. This ensures confidentiality, accessibility, and is cost effective. All math instructors receive free four-year subscriptions.
Technical support is free, by phone or email.
This saves money, time, and work. Inc. All rights reserved. TDLC and TDLC.COM are trademarks of Larson Texts, Inc.