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Scientific calculator with units conversion, equation solver, hex mode and more
This scientific calculator includes all the standard functions you need, including trigonometry and statistics. The app also includes a comprehensive units conversion tool, a linear equation solver, a triangle solver, and a programmer's hex/decimal calculator. There is also an optional RPN mode.What's New in the Latest Version 2.2
Last updated on Jul 26, 2025
2.2: Fixed a bug which was preventing the digits from displaying for some languages.
2.1: Updated to target Android SDK 35.
1.8: Improvements to RPN mode.
1.7: Added a Reverse Polish Notation (RPN) mode which can be selected on the settings page.
1.6: Allow entry of numbers starting with a leading decimal point.
1.5: Correctly handle the decimal and group separators used in different locales.
1.4: Make function buttons smaller than number buttons.
1.3: Make buttons look more 3D. Bug fixes.
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Handy Calculator
2.2 by BinaryEarth
Jul 26, 2025