Every student can benefit from using TDLC publications! Our products provide the math help you need, at the time, place, and location of your choosing!
You are in complete control of each step of every problem and concept introduced. You are not rushed or forced into new concepts until you are ready. You learn at your own pace!
All material is web-based, hosted on our system of servers. This means fewer technical problems and no lost or misplaced materials.
All of our products are available on a subscription basis. You may purchase these through a bookstore or from our web site using a credit card.
Technical support is free, by phone or email.