- Unmatched reliability: resistant to deformation and damage from frequent use, it delivers consistent precision for classroom measurements. - Safe to handle: burr-free, rounded edges and a smooth finish prevent cuts or scratches during use. - Lightweight and easy to use: designed with a lightweight structure for comfortable handling by teachers and students alike. - Large digital display: a big digital readout provides clear, readable angle measurements for accurate readings. - Classroom-ready design: built to endure daily classroom use with a large protractor body suited for demonstrations and group work. - Use in geometry lessons to measure and verify angles on diagrams, compare to theoretical values, and teach right, acute, and obtuse angles. - Use in art and design projects to draft precise layouts and technical drawings with exact angles. - Use during demonstrations or exams to display and compare angle readings to the entire class.