Quick answer
A simple, modern calculator that uses RPN (Reverse Polish Notation).
A simple, modern RPN calculator that uses RPN.
Reverse Polish Notation is a system where the operators are entered _after_ the operands.
For example, rather than 2 + 2, you would enter:
2 2 +
The main benefit is a faster, more accurate interface.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is RPNcalc?
A simple, modern calculator that uses RPN (Reverse Polish Notation).
Who develops RPNcalc?
RPNcalc is developed by Alexei Pesic.
Which Android version does RPNcalc require?
RPNcalc requires Android API 22 or later.
What is the current version of RPNcalc?
The synchronized F-Droid version is 1.3.1.
Which license does RPNcalc use?
The signed F-Droid metadata lists GPL-3.0-only.
Where is the source code for RPNcalc?
https://github.com/apesic/rpncalc
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