SuperRuler is an indispensable tool in your phone! It is not only a precise ruler, but also a protractor and an useful tool for remote measurement.You can test it with a real ruler and will find there is no difference.To have more screen display area for measurement, you can use the full screen mode which can hide the menu bar and the tool bar. In protractor function, you will get a protractor for 0~180 degrees. You can use the stylus to get the angle dynamically.You may be surprised by SuperRuler for its interesting and practicality. But what’s more stirring is that it can make the remote distance measurement feasible.With this function,you can even measure a tree in 30 seconds ! It supports any screen size such as QVGA,VGA and even square screen.