Rule of 3

André F.
Contains adsIn-app purchases
500+
Downloads
Content rating
Everyone
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About this app

The simple three-rule calculator lets you discover a number in proportion to two others that are known.
Updated on
Oct 3, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Device or other IDs
Data isn’t encrypted
Data can’t be deleted

What’s new

- Correction of problems;
- Interface improvements;
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App support

About the developer
André Roberto Reginaldo Fortunato
rrandsky@gmail.com
R. Marcio de Andrade, 346 Forquilhas SÃO JOSÉ - SC 88107-797 Brasil

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