100+
Downloads
Content rating
Everyone
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About this app

Rule of 3 simple and compound. Proportionality of two or three magnitudes. It solves exercises and allows you to modify the numerical entries. Determines whether a ratio is direct or inverse and calculates the result by indicating the equations involved.
Updated on
Jul 29, 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.
No data shared with third parties
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No data collected
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Committed to follow the Play Families Policy

What’s new

Versió juliol 2025