Very good app, and free I've seen paid apps that weren't as good or user-friendly in the ease of use. Nice-looking , simple UI with explanations, if needed. Very good app. Simple, accurate, and free. I'm really looking forward to mega physics pack for tablets. Keep up the good work guys!
Sometime the tool is useful.
Available in English, Français, Español, Italiano, Deutsch, Português & Nederlands.
Improved User Interface with stylish backgrounds.
Actionbar menu options added.