RPN Calc 13.0.7 - App Store

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About RPN Calc

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...

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.

Version History Updated for iOS 26, iPadOS 26, watchOS 26, and visionOS 26! 13.0.7 10/01/2025 Updated for iOS 26, iPadOS 26, watchOS 26, and visionOS 26! 13.0.6 09/23/2025 - Updated for iOS 18, iPadOS 18, WatchOS 11, and VisionOS 2! - Interface refreshed and updated with a clean, modern design! 13.0.5 12/18/2024 - Updated for iOS 18, iPadOS 18, WatchOS 11, and VisionOS 2! - Interface refreshed and updated with a clean, modern design! 13.0.4 09/20/2024 - Interface refreshed and updated with a clean, modern design! 13.0.3 05/21/2024 - Interface refreshed and updated with a clean, modern design! 13.0.2 04/18/2024 - Interface refreshed and updated with a clean, modern design! 13.0.1 04/16/2024 - Interface refreshed and updated with a clean, modern design! 13.0.0 01/25/2024 - Update for Apple Watch Ultra 12.0.8 07/26/2023 - Minor bug fix. 12.0.7 01/14/2022 This update from Apple will improve the functionality of this app. No new features are included. Updated for the new Series 7 Apple Watches! 12.0.6 10/14/2021 Updated for the new Series 7 Apple Watches! 12.0.5 10/13/2021 Minor bug fixes 12.0.4 06/03/2021 Minor bug fixes. 12.0.3 05/25/2021 Minor bug fixes 12.0.2 04/06/2021 Watch App display settings can now be set from the new display menu! 12.0.1 01/20/2021 Updated for iOS 13, WatchOS 6, and the new iPadOS 13! - Support for dark mode display on iPads. - Supports running as an independent app on WatchOS 6. - Numerous minor user experience tweaks and improvements. 12.0.0 10/17/2019 Updated for the new iPhone Xs, Xs Max, and Xr along with the new iPad Pros! 11.0.0 12/10/2018 - Bug fix 10.0.4 08/13/2018 - Updated for iOS 11 and the new iPhones! 10.0.3 11/28/2017 - Updated for iOS 11 and the new iPhones! 10.0.2 11/13/2017 - Updated for iOS 11 and the new iPhones! 10.0.1 11/02/2017 - Updated for iOS 11 and the new iPhones! 10.0.0 10/30/2017 - New quick launch complication for Watch app! - Minor bug fixes. 9.0.3 09/19/2016 - New quick launch complication for Watch app! - Minor bug fixes. 9.0.2 08/01/2016

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Previous Versions

Here you can find the changelog of RPN Calc since it was posted on our website on 2016-10-29 21:47:43. The latest version is 13.0.7 and it was updated on 2026-06-24 19:05:57. See below the changes in each version.

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