Geyer offers a wide variety of products for any calculus and trigonometry need. Books, games, posters, paper and more is available! Our books are perfect for students who learn best by reading the material, but don't necessarily understand the textbook. Each book takes the hard terminology and concepts, then simplifies it. Our posters have theorems, concepts, equations, and more information that can decorate your classroom as well as educate your students. Seeing concepts on an eye-catching poster everyday in class can help students remember the information. TrigTrainer Function Generator and the Trig MiniPLOT paper set are easy to store in a binder and will assist students in learning. Cards, tile sets, and Clever Catch are great games to make learning fun and easy.