# QSCalcRPN

> RPN calculator with a built-in notepad and customizable settings. (iPhone/iPad app by QART Serwis Jaromir Kopp.)

- Source: https://appshunter.io/ios/app/qscalcrpn/id349285843 (this page in markdown: same URL + `.md`)
- Developer: [QART Serwis Jaromir Kopp](https://appshunter.io/developer/349285846)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 3.1 · 3 MB
- Languages: English, Polish
- Released: 2010-01-08
- Data updated: 2026-07-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/qscalcrpn/id349285843/reviews.md

## What is QSCalcRPN?

QSCalcRPN program was created for lovers of Reverse Polish Notation. Quick Launch, simple calculations and built-in notebook to write and send quick notes and calculations without leaving the program.

Advantages:
• iPad and iPhone universal application.
• Notepad to write quick notes and calculations without leaving the program. You can send messages directly from the Notepad.
• Quick Launch, easy and fast operation.
• Expanded function „Copy & Paste” to allow for transfer numbers between registers, memory, notepad and other programs.
• „Shake to undo” cancels the last operation performed.

Customizable:
• Quantities of decimal places.
• Decimal and thousand separator.
• Register T autocopy.
• Automatic „Enter”
• Undo / Redo confirm. 

User Manual and more information about the program:
http://www.isync.eu/qscalculator 

About RPN (Reverse Polish Notation): 
http://en.wikipedia.org/wiki/Reverse_Polish_notation

Icon image „Lukunia” used with permission of the author Lucyna Pawlak:
http://www.lugallery.com/opis/LUKUNIA.html 

*************************************************
Program QSCalcRPN powstał z myślą o miłośnikach Odwrotnej Notacji Polskiej.
http://pl.wikipedia.org/wiki/Odwrotna_notacja_polska

## Key features

- Reverse Polish Notation (RPN) calculations
- Built-in notepad for notes and messages
- Quick launch and fast operation
- Copy & Paste functionality
- Shake to undo feature
- Customizable decimal places and separators

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/qscalcrpn/id349285843/reviews.md

### 5/5 — A basic RPN calculator.

*2012-04-12, version 2.0*

Confession: the drawing of the dog sold it to me.  

This is a great entry-level, basic RPN calculator.  I wish HP would produce something like this (a physical machine) - a calculator like this can get RPN in the main stream. Thanks!

### 5/5 — Simple and nice iPad version!

*2011-12-22, version 2.0*

i love Notepar in this app!
Good copy&paste between register function.

## Frequently asked questions about QSCalcRPN

### What is QSCalcRPN?

QSCalcRPN is a free utility app designed for users who prefer Reverse Polish Notation (RPN) for their calculations. It offers quick operations and a built-in notepad.

### What devices does QSCalcRPN support?

QSCalcRPN is a universal application that supports iPhone, iPad, and iPod devices. It is also compatible with Apple Watch.

### How can I customize QSCalcRPN?

You can customize the number of decimal places, decimal and thousand separators, register T autocopy, automatic 'Enter', and Undo/Redo confirmation within QSCalcRPN.

### Does QSCalcRPN have a notepad feature?

Yes, QSCalcRPN includes a built-in notepad that allows you to write quick notes and calculations without leaving the program. You can also send messages directly from the notepad.

### What is the rating for QSCalcRPN?

QSCalcRPN has an excellent rating of 5.0 stars based on 3 user reviews.

### When was QSCalcRPN last updated?

The latest version of QSCalcRPN, version 2.0, was last updated on December 20, 2011.

### Is QSCalcRPN suitable for children?

QSCalcRPN has an age rating of 4+, making it suitable for younger users interested in basic calculations and note-taking.

### Does QSCalcRPN have ads?

The provided data does not specify if QSCalcRPN contains advertisements. However, it is listed as a free application.

## Version history (last 1 release)

### 2.0 — 2011-12-20

iPad universal version!
Notepad with copy&paste, email and messaging.
Retina support.
Compatible with iOS 3.1 - 5.1.

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All apps by QART Serwis Jaromir Kopp: https://appshunter.io/developer/349285846

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*