विचारों
Use protractor android apps
Bubble Level | Protractor - Most advanced clinometer app for iPhone and android (JRSoftWorx)
Tutorial Autolock - iOS and Android 360 degree Clinometer, Spirit Level, Protractor, Bubble Level
How to Use Protractor App
iOS and Android 360 degree Clinometer, Spirit Level, Protractor, Bubble Level
Protractor Online Appointment Configuration and Walkthrough
Protractor mode for angle measurements in Millimeter Pro app.
Free Geometric Construction Software for Online Teaching