Arbitrary Triangle PRO
Calculates all quantities
About
This app calculates all unknown quantities of an arbitrary triangle. It displays the formulas used and provides step-by-step solutions, supporting decimals and fractions. Calculations are saved in history and can be shared.
What's New in Arbitrary Triangle PRO
2.3.2
July 17, 2026
Maintenance update. Improving performance.
Developer apps
FAQ
What quantities can Arbitrary Triangle PRO calculate?
Arbitrary Triangle PRO calculates all important quantities for an arbitrary triangle, including sides, angles, area, and perimeter. It provides the specific formulas used for each calculation.
Does Arbitrary Triangle PRO support fractions and decimals?
Yes, Arbitrary Triangle PRO supports both decimals and fractions for input values. It also allows you to change the length of decimal places for the results.
How does Arbitrary Triangle PRO handle incorrect or invalid input?
The app highlights fields with incorrect values in orange if they are missing or red if they are invalid (e.g., negative lengths, non-numeric input). It also flags when rounding or wrong values lead to contradictions.
Can I review past calculations with Arbitrary Triangle PRO?
Yes, all calculations are stored in a history function. You can delete, sort, or select entries from the history to automatically load them for further calculations.
Is Arbitrary Triangle PRO suitable for offline use?
The provided description does not specify offline functionality. However, as a calculation tool, it is likely designed to work without an internet connection once installed.
What are the mathematical conditions for input values in Arbitrary Triangle PRO?
Each value must be greater than zero, each angle must be less than 180°, and the sum of any two sides must be greater than the length of the third side.
Does Arbitrary Triangle PRO have ads?
No, Arbitrary Triangle PRO is ad-free. The description explicitly states 'no ads!'.
How often is Arbitrary Triangle PRO updated?
The app was last updated on June 3, 2026, with version 2.2.9. This indicates a recent update, suggesting ongoing support and development.
