Features Rule of three
Simple app with a retro style.- Now you can do your calculations in a simple way and save them in a history with the creation date.- The app has an awesome search engine that will help you to find a specific calculation in the history in an easier and more efficient way.
Secure & Private
Your data is protected with industry-leading security protocols.
24/7 Support
Our dedicated support team is always ready to help you.
Personalization
Customize the app to match your preferences and workflow.
Screenshots
See the Rule of three in Action
Get the App Today
Download on Google Play
Available for Android 8.0 and above