Who should use RPN Calculator?

RPN Calculator is an open-source project built for people who use reverse Polish notation calculators.

What platforms does RPN Calculator run on?

RPN Calculator runs on the web and embeddable surfaces.

Is RPN Calculator still maintained?

Unverified. RPN Calculator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who develops RPN Calculator?

RPN Calculator is developed by mconca.

How long has RPN Calculator been around?

RPN Calculator first shipped in 2017.

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RPN Calculator

Name: RPN Calculator
Author: mconca

github.comBrowser DevTools & extensions

RPN Calculator is an open-source browser extension that provides a popup calculator using reverse Polish notation and stack-based input. It is intended for users who want quick RPN calculations without opening a separate calculator application.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

RPN Calculator sits in PulseGate's Browser DevTools & extensions category. It focuses on performing reverse Polish notation calculations quickly from a browser popup. It is built as an open-source project for people who use reverse Polish notation calculators. RPN Calculator is open source under the Open Source license. It ships for the web and embeddable surfaces.

mconca builds and maintains RPN Calculator, and it first shipped in 2017. Key capabilities include popup calculator, RPN input, and stack-based calculations.

Summary written by a language model from the project’s public pages.

Popup calculator
RPN input
Stack-based calculations
Browser toolbar access

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed14 Sep · 23:17 UTC
RPN Calculator verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about RPN Calculator

What is RPN Calculator?: RPN Calculator focuses on performing reverse Polish notation calculations quickly from a browser popup. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use RPN Calculator?: RPN Calculator is an open-source project built for people who use reverse Polish notation calculators.
Is RPN Calculator free?: Yes — RPN Calculator is open source under the Open Source license and free to use.
What platforms does RPN Calculator run on?: RPN Calculator runs on the web and embeddable surfaces.
Is RPN Calculator still maintained?: Unverified. RPN Calculator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops RPN Calculator?: RPN Calculator is developed by mconca.
How long has RPN Calculator been around?: RPN Calculator first shipped in 2017.
Is RPN Calculator open source?: Yes — RPN Calculator is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 14 Sep 2026
Built for: people who use reverse Polish notation calculators
Model: Open source
Solves: Performing reverse Polish notation calculations quickly from a browser popup.

Registered as

Firefox Add-ons: rpn-calculator

Developer

mconca

Index record

Indexed: 14 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 14 Sep 2026

Identity audit (13)

Slug: rpn-calculator-github-com
Lifecycle state recorded: 14 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 14 Sep 2026
Canonical URL: https://github.com/mconca/rpn-web-ext

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