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RPN Calculator 48

App Store★ 4.83.99 USDFirst seen 18 Oct 2026

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App info

Category: Utilities
Age rating: 4+
Price: 3.99 USD
Version: 1.0.8
Released: Oct 30, 2009
Last updated: 5 Feb 2025
Size: 1.2 MB
Requires: iOS 18.0 or later
Languages: 1

4.8245 ratings

★★★★★

Average rating on the App Store. Apple doesn't publish how many ratings each star has.

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What's newin version 1.0.8

- Added support for hardware keyboards - Added an option for haptic feedback in the main menu

About this app

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RPN Calculator 48 is a polished RPN replacement for Apple's calculator app: - Same scientific functionality as Apple's calculator app* - Use swipe gestures to undo and redo operations! - Starts quickly - Large buttons - Easy-to-read display - 100 entry stack - 6 memory buttons (A-F) - 50+ levels of undo/redo - Saves state on exit The ergonomics (screen and keyboard layout) of RPN Calculator 48 were inspired by HP's outstanding 48-series calculator. RPN Calculator 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book). * This app is not an HP 48 emulator.

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