---
title: "i41CX - Reviews, Revenue and Downloads in Brazil | Apple App Store"
description: "i41CX is the same powerful advanced programmable RPN scientific calculator as the highly acclaimed i41CX+ but without the latter’s incredibly advanced capabilities such as the printer, expansion, CAS,"
---

# i41CX — Brazil
> RPN Calc

![i41CX App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/a9/71/4e/a9714ebd-372f-b1cf-8bbc-629ba1e74e40/AppIcon-i41CX-1x_U007emarketing-0-8-0-0-85-220-0.png/434x0w.png)

**Developer:** [Antonio Lagana](https://apptail.io/developer/antonio-lagana-uoG)
**Category:** Productivity
**Rating:** 4.0/5 (4 ratings)
**Price:** Free
**Bundle ID:** com.alsoftware.i41CX
**Store:** Apple App Store
**Country:** Brazil
**Version:** 7.6.19 (released 2026-01-28)
**Original Release:** 2008-10-16
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/br/app/app/id292619450)
**AppTail Page:** [https://apptail.io/app/i41cx-tOLc/brazil](https://apptail.io/app/i41cx-tOLc/brazil)

## i41CX Description
i41CX is the same powerful advanced programmable RPN scientific calculator as the highly acclaimed i41CX+ but without the latter’s incredibly advanced capabilities such as the printer, expansion, CAS, etc.  It is functionally equivalent to the world-renowned HP-41CX and inherits all of the i41CX+ usability features including extremely responsive and animated key clicks, audible key feedback sounds, optimally spaced keys for accurate input, traditional and upbeat modern diverse set of skins, etc.

If you are looking for a powerful programmable RPN scientific calculator but don’t need all of the capabilities of i41CX+ then i41CX is for you.  And best of all, if you ever decide that you need the more advanced capabilities of i41CX+ you can enable them using secure in-app purchases right within the app!

FEATURES:
• RPN logic with a 4 element deep memory stack
• 319 main and 124 extended memory registers
• Over 300 built-in functions, including nearly 100 functions created specifically for i41CX
• Time, calendar, alarm, and stopwatch functions
• Rich set of functions and algorithms: numerical, mathematical, statistical, and much more
• Access to the entire HP-41 library of solutions for science, mathematics, statistics, engineering, business, financial, surveying, medicine, real estate, and many other domains
• Programmable - Over 2000 lines
• User definable keyboard
• Ability to operate the calculator using a Bluetooth keyboard
• Device integration: external display mirroring, copy and paste, GPS, accelerometer, digital compass, time and date synchronization, and much more
• iOS 8 Notification Center widget
• Sound support including synthetic tones and interface sounds
• Support for calculator skins and optional mini stack display
• Adjustable sound volume and display colors
• Usage &amp; Examples table with usage tips and examples
• Quick reference guide of all built-in functions
• Beautiful and clean user interface

***********************************************************
A comprehensive FAQ is available at   Please don&#039;t hesitate to use the &quot;Contact Us&quot; link there if you cannot find the answers or information that you seek.  Thank you.

## i41CX Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/8d/4a/93/8d4a933d-6a8c-c576-ddf7-0b9bedce5b70/mzl.cvulejfq.png/640x960.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/de/c9/6a/dec96aff-01a2-22ae-4a56-bfe2e147e1a3/mzl.mylugjay.png/640x960.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/59/52/15/59521517-b054-433f-caaf-4c5e14bfda6d/mzl.raslfpvn.png/640x960.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/38/7b/8e/387b8ecf-3ac1-42d4-c30a-172c35b52c6d/mzl.ipevsfle.png/640x960.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/2c/d3/09/2cd309e2-6219-78ed-4859-09efdf24f55f/mzl.ofnteryn.png/640x960.png)

## i41CX Rating Breakdown in Brazil
- 5 stars: 3 (75%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (25%)

## i41CX Reviews in Brazil

### ***** "Perfeita"
Perfeita, dunciona exatamente como minha antiga HP41C!
-- Ricardo C A, 2024-09-29

### ***** "i41CX"
Eccellente applicazione! Sembra davvero la calcolatrice! Altamente consigliato!
-- Marco Gennaro, 2020-03-08

[View all i41CX reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&amp;utm_content=reviews)

## i41CX In-App Purchases
| Item | Price |
|------|-------|
| i41CX+ Features Upgrade | 119.90 R$ |
| Overlays Upgrade | 19.90 R$ |
| Printer Upgrade | 24.90 R$ |
| CAS Upgrade | 49.90 R$ |

## i41CX Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Belgium | Productivity | #99 |
| Top Paid | Switzerland | Productivity | #106 |
| Top Paid | South Africa | Productivity | #113 |
| Top Paid | Austria | Productivity | #121 |
| Top Paid | Ecuador | Productivity | #137 |
| Top Paid | Denmark | Productivity | #145 |
| Top Paid | France | Productivity | #154 |
| Top Paid | New Zealand | Productivity | #159 |
| Top Paid | Mexico | Productivity | #161 |
| Top Paid | Sweden | Productivity | #166 |
| Top Paid | Norway | Productivity | #171 |
| Top Paid | Argentina | Productivity | #172 |
| Top Paid | Italy | Productivity | #180 |
| Top Paid | Netherlands | Productivity | #181 |
| Top Paid | Spain | Productivity | #188 |
| Top Paid | Brazil | Productivity | #196 |
| Top Paid | Chile | Productivity | #215 |
| Top Paid | Finland | Productivity | #217 |
| Top Paid | Australia | Productivity | #223 |
| Top Paid | Colombia | Productivity | #223 |
| Top Paid | Pakistan | Productivity | #256 |
| Top Paid | Canada | Productivity | #258 |
| Top Paid | Greece | Productivity | #264 |
| Top Paid | Portugal | Productivity | #269 |
| Top Paid | Germany | Productivity | #288 |
| Top Paid | Israel | Productivity | #305 |
| Top Paid | United Kingdom | Productivity | #311 |
| Top Paid | Ireland | Productivity | #318 |
| Top Paid | Hong Kong SAR China | Productivity | #340 |
| Top Paid | Malaysia | Productivity | #346 |
| Top Paid | Japan | Productivity | #371 |
| Top Paid | Singapore | Productivity | #380 |
| Top Paid | Thailand | Productivity | #383 |
| Top Paid | Peru | Productivity | #408 |
| Top Paid | United Arab Emirates | Productivity | #408 |
| Top Paid | Türkiye | Productivity | #442 |


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## i41CX Available In
- [United States](https://apptail.io/app/i41cx-tOLc/united-states)
- [Germany](https://apptail.io/app/i41cx-tOLc/germany)
- [Mexico](https://apptail.io/app/i41cx-tOLc/mexico)
- [Spain](https://apptail.io/app/i41cx-tOLc/spain)
- [France](https://apptail.io/app/i41cx-tOLc/france)
- [Italy](https://apptail.io/app/i41cx-tOLc/italy)
- [Denmark](https://apptail.io/app/i41cx-tOLc/denmark)
- [Austria](https://apptail.io/app/i41cx-tOLc/austria)
- [Australia](https://apptail.io/app/i41cx-tOLc/australia)
- [Canada](https://apptail.io/app/i41cx-tOLc/canada)
- [United Kingdom](https://apptail.io/app/i41cx-tOLc/united-kingdom)
- [Brazil](https://apptail.io/app/i41cx-tOLc/brazil)
- [Argentina](https://apptail.io/app/i41cx-tOLc/argentina)
- [Belgium](https://apptail.io/app/i41cx-tOLc/belgium)
- [Norway](https://apptail.io/app/i41cx-tOLc/norway)
- [Netherlands](https://apptail.io/app/i41cx-tOLc/netherlands)
- [Sweden](https://apptail.io/app/i41cx-tOLc/sweden)
- [Switzerland](https://apptail.io/app/i41cx-tOLc/switzerland)
- [Luxembourg](https://apptail.io/app/i41cx-tOLc/luxembourg)
- [Japan](https://apptail.io/app/i41cx-tOLc/japan)
- [South Africa](https://apptail.io/app/i41cx-tOLc/south-africa)
- [South Korea](https://apptail.io/app/i41cx-tOLc/south-korea)
- [Türkiye](https://apptail.io/app/i41cx-tOLc/turkey)
- [Colombia](https://apptail.io/app/i41cx-tOLc/colombia)
- [Chile](https://apptail.io/app/i41cx-tOLc/chile)
- [Peru](https://apptail.io/app/i41cx-tOLc/peru)
- [Russia](https://apptail.io/app/i41cx-tOLc/russia)
- [New Zealand](https://apptail.io/app/i41cx-tOLc/new-zealand)
- [Portugal](https://apptail.io/app/i41cx-tOLc/portugal)
- [Romania](https://apptail.io/app/i41cx-tOLc/romania)
- [Saudi Arabia](https://apptail.io/app/i41cx-tOLc/saudi-arabia)
- [Singapore](https://apptail.io/app/i41cx-tOLc/singapore)
- [Slovenia](https://apptail.io/app/i41cx-tOLc/slovenia)
- [United Arab Emirates](https://apptail.io/app/i41cx-tOLc/united-arab-emirates)
- [Thailand](https://apptail.io/app/i41cx-tOLc/thailand)
- [Tunisia](https://apptail.io/app/i41cx-tOLc/tunisia)
- [Taiwan](https://apptail.io/app/i41cx-tOLc/taiwan)
- [Ukraine](https://apptail.io/app/i41cx-tOLc/ukraine)
- [Vietnam](https://apptail.io/app/i41cx-tOLc/vietnam)
- [Slovakia](https://apptail.io/app/i41cx-tOLc/slovakia)
- [Azerbaijan](https://apptail.io/app/i41cx-tOLc/azerbaijan)
- [Brunei](https://apptail.io/app/i41cx-tOLc/brunei)
- [Belarus](https://apptail.io/app/i41cx-tOLc/belarus)
- [China](https://apptail.io/app/i41cx-tOLc/china)
- [Czechia](https://apptail.io/app/i41cx-tOLc/czechia)
- [Dominican Republic](https://apptail.io/app/i41cx-tOLc/dominican-republic)
- [Algeria](https://apptail.io/app/i41cx-tOLc/algeria)
- [Ecuador](https://apptail.io/app/i41cx-tOLc/ecuador)
- [Egypt](https://apptail.io/app/i41cx-tOLc/egypt)
- [Finland](https://apptail.io/app/i41cx-tOLc/finland)
- [Greece](https://apptail.io/app/i41cx-tOLc/greece)
- [Hong Kong SAR China](https://apptail.io/app/i41cx-tOLc/hong-kong)
- [Hungary](https://apptail.io/app/i41cx-tOLc/hungary)
- [Indonesia](https://apptail.io/app/i41cx-tOLc/indonesia)
- [Ireland](https://apptail.io/app/i41cx-tOLc/ireland)
- [Israel](https://apptail.io/app/i41cx-tOLc/israel)
- [India](https://apptail.io/app/i41cx-tOLc/india)
- [Iceland](https://apptail.io/app/i41cx-tOLc/iceland)
- [Kuwait](https://apptail.io/app/i41cx-tOLc/kuwait)
- [Kazakhstan](https://apptail.io/app/i41cx-tOLc/kazakhstan)
- [Lebanon](https://apptail.io/app/i41cx-tOLc/lebanon)
- [North Macedonia](https://apptail.io/app/i41cx-tOLc/north-macedonia)
- [Malaysia](https://apptail.io/app/i41cx-tOLc/malaysia)
- [Nigeria](https://apptail.io/app/i41cx-tOLc/nigeria)
- [Philippines](https://apptail.io/app/i41cx-tOLc/philippines)
- [Pakistan](https://apptail.io/app/i41cx-tOLc/pakistan)
- [Poland](https://apptail.io/app/i41cx-tOLc/poland)

---

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