If you are a returning adult student, working on your GED, or heading back to college, it's probably been a long time since you had to do any "real math." TDLC publications are
perfect for bringing your skills up to the level necessary to attain your goals. And they are extremely economical.
All material is web-based, hosted on our system of servers. This means fewer technical problems and no lost or misplaced materials.
Our publications are designed to support national mathematics principles. This guarantees that the math that you are learning is compatible with the goals and objectives of your educational institution.
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.