Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

لقطات الشاشة لـ i41CX

iPad

iPhone

About i41CX

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 & 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 http://alsoftiphone.com/i41CX. Please don't hesitate to use the "Contact Us" link there if you cannot find the answers or information that you seek. Thank you.

تحديث لأحدث إصدار 7.6.15

Last updated on 13/04/2024

الإصدارات القديمة

• Minor bug fixes

Version History

7.6.15

13/04/2024

• Minor bug fixes

7.6.14

29/11/2023

• Fixed bug introduced in previous update

7.6.13

23/11/2023

• iOS 17 compatibility fixes.

7.6.12

13/10/2023

• iOS 17 compatibility fixes.

7.6.11

10/10/2023

• Minor bug fixes and internal improvements

7.6.10

25/08/2022

• Minor bug fix.

7.6.9

21/10/2021

• iOS 15 compatibility

7.6.8

03/02/2021

• Minor bug fix.

7.6.7

29/12/2020

• Updated to handle decimal separator (period or comma) based on the calculator's decimal separator setting (flag 28) when pasting numbers.

7.6.6

06/12/2020

• Fixed visual glitches.

7.6.5

18/11/2020

• Minor bug fixes.

7.6.4

22/10/2020

• iOS 14 compatibility fixes.

7.6.3

21/10/2020

• Minor bug fixes.

7.6.2

09/10/2020

• Fix display glitches on certain devices that were inadvertently introduced in 7.6.1.

7.6.1

08/10/2020

• iOS 14 compatibility fixes.

7.6.0

14/03/2020

• Internal optimizations.

7.5.9

02/02/2020

• Minor bug fix.

7.5.8

25/01/2020

• Minor bug fix.

7.5.7

15/01/2020

• Minor bug fix.

7.5.6

11/01/2020

• Minor bug fix.

7.5.5

30/10/2019

• iPad bug fixes.

7.5.4

10/10/2019

• Fixed bug on iPad devices running iOS 10 or earlier.

7.5.3

09/10/2019

• iOS 13 compatibility fixes.

7.5.2

05/10/2019

• Fixed iPad version bugs.

7.5.1

24/09/2019

• Fixed bugs introduced in the 7.5.0 update.

• Changed app icon to comply with App Store guidelines and distinguish it from i41CX+. Please note that the change is strictly cosmetic and doesn't affect the additional functionality provided by the "i41CX+ Features Upgrade".

Feedback Report