Unrivaled reliability: Built to resist deformation and damage from frequent use, it remains a durable and dependable tool for precise angle measurements in the classroom. Rounded edges: The protractor features rounded edges and a smooth viewing surface to enable safe handling for learners of all ages. It minimizes the risk of scratches or cuts during use, making it suitable for educational environments. User-friendly design: Designed with educators in mind, its lightweight, straightforward construction supports effortless operation and easy classroom demonstrations. Enhanced readability: A large digital display and clear numbering make measurement and reading quick and accurate for teachers and students alike. Use scenarios: - Geometry lessons: measure and verify angles in polygons, triangles, and circles with confidence. - Design and engineering activities: align parts and check angles on large classroom projects or models. - Science and art tasks: set and compare precise angles in experiments or composition tasks. Key attributes: large display for easy reading, durable construction for frequent classroom use, clear numbering for quick measurement, rounded edges for safe handling, and a teacher-focused, easy-to-use form factor.