Protractor 1: Angle Converter!

Have you ever forgotten your protractor at school or when you urgently look for a protractor to measure any kind of angles in real life? Then, Protractor 1 is a must-have tool in your pocket. Features - Measure angles in 4 different units: degree, radian, gradian and revolution - Functioning as a converter by measuring pairs of units at the same time - Customize pairs of units to display - Instantly swapping units - Directly input angles through an interactive keyboard - Snapping ability with different sensitivities for each unit - Lock and unlock modes