RPN Calc

13.0.7

James Mattis

4.40

5 reviews

$0.99

Download from the App Store

About RPN Calc

RPN Calc is an overall app developed by James Mattis.

Download Statistics

User Ratings

RPN Calc is rated 4.40 out of 5 stars. The rating is based on 5 ratings.

App Information

RPN Calc costs $0.99 to download. The APK download size is 2.38 MB. The latest version available is 13.0.7. The last update was on October 1, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play January 2019.

Description

A simple reverse polish notation calculator loosely based on my trusty HP-32SII that runs on iPhone, iPad, and Apple Watch!

If you are familiar with HP RPN calculators, the operation of this calculator should seem very straightforward - albeit simplified. It can't be programmed, and it doesn't handle binary, or hexadecimal numbers.

But, it has a clean, simple interface with large, easy to press buttons. It has all of the functions required for quick calculations when your iPhone is handier than your computer or calculator.

And, remember those cool calculator watches from the 1980s? Unfortunately, none of them were RPN. RPN Calc brings a reverse polish notation watch calculator to the Apple Watch!

In addition to the standard RPN Calculator app that runs on iPhone, iPad, and Apple Watch, RPN Calc includes a handy micro RPN Calc Today Extension available for convenient access to quick calculations from the pull down Today screen.

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More data about RPN Calc

Price	$0.99
Rating	4.40 based on 5 ratings
Ranking	Not ranked
Version	13.0.7
App download size	2.38 MB
Suitable for	Everyone

Alternative downloads for the RPN Calc app

Changelog of RPN Calc

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Developer information for James Mattis

James Mattis

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