# i41CX+

> RPN Calc with Printer and CAS

Canonical page: [https://chrome-stats.com/d/id289068865](https://chrome-stats.com/d/id289068865)

## Overview

- **ID:** `id289068865`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Antonio Lagana
- **Category:** Productivity
- **Rating:** 4.80 / 5 (105 ratings)
- **Version:** 7.6.21
- **Last updated:** 2026-09-03
- **First published:** 2019-02-01
- **Size:** 123 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/i41cx/id289068865)
- **Website:** [http://alsoftiphone.com](http://alsoftiphone.com/)
- **Privacy policy:** [http://alsoftiphone.com/privacyPolicy.html](http://alsoftiphone.com/privacyPolicy.html)

## Description

i41CX+ is an advanced programmable RPN calculator for iOS with a virtual thermal printer/plotter and a workstation-class CAS. It preserves HP-41CX compatibility while adding iCloud sync, skins, overlays, and rich import/export, all running offline for performance and privacy.

The built-in CAS is a full REDUCE implementation, enabling symbolic and numeric algebra, 2D/3D plotting, matrices and vectors, and the ability to reuse results across computations. It combines RPN programming with CAS programs, supports Bluetooth keyboards, external displays, AirPrint, and extensive data storage. With hundreds of built-in functions, thousands of memory registers, and an extensive library of HP-41 solutions across science, math, engineering, and finance, i41CX+ is a powerful math workstation you can carry anywhere.

## Rankings

- #131,024 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id289068865)