Choose from our wide assortment of posters to decorate your classroom. Geyer's calculus and trigonometry posters are great guides for students to use and learn from. Some of our posters take a funny approach toward calc and trig concepts to make students more interested. Topics covered are Pythagorean Theorem, the Distance Formula, a mnemonic for remembering Trig Ratios, coordinate plane terminology, steps for graphing linear equations and linear inequalities, graphical transformations, and relationships between perpendicular and parallel lines, and many more!