Protractor Teacher

Protractor Teacher is a classroom-ready geometry app that turns your device into a precise digital protractor. Ideal for teachers and students, it streamlines angle measurement, drawing, and demonstration for lessons, homework, and quick checks. With a clean interface and education-first design, it makes geometry visual, accurate, and easy to teach. Key features - Interactive on-screen protractor with rotation, flip, and snap to common angles - Measure and draw angles on a blank grid or imported images with instant degree readouts - Practice tools and quick tasks for student learning with immediate feedback Why it stands out - Accurate and intuitive controls reduce classroom friction and save time - Designed for education scenarios, from whiteboard demos to individual practice - Perfect for geometry learning, STEM activities, and math tutoring with keywords like geometry app, digital protractor, angle measurement, math teaching tool