O3 - Graphical & Programmable

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Everyone
500+
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Everyone
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About this app

see https://github.com/gilles-fabre/O3 for the source code and example scripts.

O3 stands for O.perand O.perand O.perator, based on the Reverse Polish Notation input method.

O3 supports basic calculations using the digits pad and the stack, but it does much more... see the 'About menu' for more information about the scripting language, graphical capabilities, programmable buttons, debugging features, etc.
An open source, Graphical and Programmable RPN Calculator.
Updated on
Nov 5, 2023

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
    Learn more about how developers declare sharing
  • No data collected
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What’s new

. Typo fixed in help text
. Standard Deviation script fixed (was broken due to last API change)
. new Factorial script and associated (n!) button
Content rating
Everyone
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App support

About the developer
Gilles FABRE
gilles.fabre.perso@free.fr
2 rue des vignes 30170 Pompignan France