Great!
Great app! I just wish the number pad would disappear when you’re not entering any values.
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About
This utility app simplifies calculations for the Rule of Three, supporting both direct and indirect proportion modes. It is designed with accessibility in mind, optimized for VoiceOver and other assistive features.
✓Direct proportion calculations
✓Indirect proportion calculations
✓Accessibility optimized
✓VoiceOver support
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What's New in Rule of Three
1.1.3
September 17, 2020
iOS 14 optimization
1
In-App Purchases
$1.99
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FAQ
What is the Rule of Three calculator?
The Rule of Three calculator is a utility app designed to help users solve mathematical problems involving direct and indirect proportions. It offers a simple interface for these specific calculations.
Does the Rule of Three calculator support both direct and indirect proportions?
Yes, the Rule of Three calculator supports both direct proportion and indirect proportion modes, allowing users to tackle a wider range of ratio-based problems.
Is the Rule of Three calculator accessible?
Yes, the Rule of Three calculator is tested and optimized for use with accessibility features like VoiceOver. This ensures it is usable by individuals with visual impairments.
What devices is the Rule of Three calculator available on?
The Rule of Three calculator is available for iPhone, iPad, and iPod touch devices. It was released on December 4, 2019, and last updated on September 17, 2020.
What is the age rating for the Rule of Three calculator?
The Rule of Three calculator has an age rating of 4+, making it suitable for a wide range of users. It is a simple utility tool with no mature content.
How often is the Rule of Three calculator updated?
The Rule of Three calculator was last updated on September 17, 2020, with version 1.1.3. While updates may not be frequent, the app is stable for its intended purpose.
Can I contact the developer with issues or suggestions for the Rule of Three calculator?
Yes, you can contact the developer, Tomas Parizek, via email at rule_off_three@tomasparizek.com with any issues or suggestions for improvement.
Does the Rule of Three calculator have ads?
No, the Rule of Three calculator does not contain advertisements. It is a free app with optional in-app purchases.
