---
title: "i41CX+ — App Overview"
url: https://marlvel.ai/intel-report/productivity/i41cx
category: Productivity
developer: Antonio Lagana
platforms: ios
rating: 4.8 (103 ratings)
pricing: paid
report_level: overview
generated: 2026-05-11
last_verified: "2026-05-11T07:20:09.885Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a comprehensive, professional-grade mobile workstation that successfully bridges classic RPN calculator functionality with modern symbolic computational power.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 4.8 ★ (103) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 7.6.19 |
| Developer | Antonio Lagana |

<!-- SECTION: Summary -->
## What is i41CX+?

i41CX+ is a high-fidelity emulation of the HP-41CX scientific calculator designed for iOS, offering full library compatibility and expanded workstation-class capabilities. It distinguishes itself by integrating a native REDUCE-based Computer Algebra System (CAS) that allows users to combine traditional RPN programming with advanced symbolic computation.

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

- **HP-41CX Emulation**: Provides functional equivalence to the original HP-41CX, including support for its entire library of modules and programs.
- **REDUCE CAS Integration**: Features a native, programmable Computer Algebra System that allows for complex symbolic math without requiring an internet connection.
- **Hardware & Interface Customization**: Includes virtual thermal printer/plotter support, keyboard overlays, and extensive UI customization options like color control and diverse skins.
- **Data Management**: Offers robust import and export capabilities alongside iCloud support for seamless data synchronization.

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

Engineers, scientists, and legacy HP-41 calculator enthusiasts requiring a portable, programmable, and powerful scientific computing tool.

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

- [App Store](https://apps.apple.com/us/app/i41cx/id289068865?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/i41cx)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/i41cx).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*