---
title: "MathU RPN Calc — App Overview"
url: https://marlvel.ai/apps/mathu-rpn-calc
category: Finance
developer: Creative Creek, LLC
platforms: ios, android
rating: 5.0 (72 ratings)
pricing: paid
report_level: overview
generated: 2026-04-22
last_verified: "2026-04-22T14:29:20.470Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** MathU RPN is a highly-rated, long-standing utility that successfully replicates the professional feel and function of classic RPN calculators for modern Apple devices.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Finance |
| Rating | 5.0 ★ (72) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 4.1.3 |
| Latest Version (Android) | 2025.2.0 |
| Developer | Creative Creek, LLC |

<!-- SECTION: Summary -->
## What is MathU RPN Calc?

MathU RPN Calc is a scientific and financial calculator that utilizes Reverse Polish Notation (RPN) to emulate the functionality of classic HP calculators. It supports cross-platform usage across iPhone, iPad, and macOS, offering a professional-grade toolset with over 96 functions. The app is noted for its long-term maintenance and consistent updates since its 2008 release.

<!-- SECTION: Key Features -->
## Key Features

- **RPN Entry System**: Utilizes Reverse Polish Notation for efficient calculation, mirroring the workflow of vintage HP calculators.
- **Cross-Platform Support**: Optimized for iPhone, iPad, and macOS with specific interface adaptations for each device.
- **Hardware Keyboard Integration**: Allows iPad users to execute calculator functions directly via an attached hardware keyboard.
- **Flexible Orientation**: Supports portrait and landscape keypad layouts with manual or automatic rotation settings.

<!-- SECTION: Target Audience -->
## Who is it for?

Professionals and engineers who require a high-precision, RPN-based calculator for daily scientific and financial computations.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/mathu-rpn-calc/id293653078?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.oletob.rpncalc&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/mathu-rpn-calc)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/mathu-rpn-calc).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*