Latest Version
3.2.3 Safe to install
3.2.3 Safe to install
42s is an iOS adaptation of Thomas Okken's Free42, a stable re-implementation of the highly-regarded HP-42S RPN calculator. It functions natively on iPhones for optimal speed. Offering the complete range of functionalities found in the original 42S model, including hundreds of functions, programmability, and printer output, 42s also brings enhancements such as increased precision and the ability to import and export programs.
Key features:
- Programmable for tailored functionality with optional packages for Engineering, Scientific, Financial, and Statistical applications. Compatible with 41CX programs.
- Internal computation and storage in 25-digit decimal precision.
- Support for typing characters and variable names using the iPhone keyboard.
- Substantially faster performance compared to the original calculator, especially in program execution, solving, integration, and matrix operations.
- Vertical swipe on the LCD for up to 7 lines of display.
- Double-tap LCD for cut and paste functionalities as well as stack manipulation.
- Sound tones that replicate those of the original HP-42S.
- Tap on LCD in alpha entry mode to toggle the display of the iPhone keyboard.
Additional functionalities in version 3.0 include:
- Compatibility with iOS4, offering seamless application switching and bug fixes for compatibility issues.
- Hi-res keypad image specific to iPhone 4.
- Undo and Redo functions enabled by swiping the LCD left or right.
- Display option for showing set flags 0-4 at the display's top.
Overview
42s RPN Calculator is a Commercial software in the category System Utilities developed by Byron Foster.
The latest version of 42s RPN Calculator is 3.2.3, released on 03/18/2024. It was initially added to our database on 03/18/2024.
42s RPN Calculator runs on the following operating systems: iOS.
Users of 42s RPN Calculator gave it a rating of 4 out of 5 stars.
Pros
- Uses Reverse Polish Notation (RPN) for quick and efficient input
- Supports a wide range of mathematical functions and operations
- Provides a simple and clean user interface for easy navigation
- Ability to store and recall previous calculations for reference
Cons
- May have a learning curve for users not familiar with RPN notation
- Limited graphical representation of data which may not be suitable for complex visualizations
- Not compatible with all operating systems or devices
Screenshots (Click to view larger)
Related products
AtomicClock: NTP Time
Stay in Sync with AtomicClock: NTP Time
CALC 1 Programmable Calculator
CALC 1 offers a robust platform for customizing your calculator to enhance calculation efficiency and precision. CALC 1 distinguishes itself as a true "programmable calculator," permitting the assignment of programs to individual keys, a …
Calc Pro - The Top Calculator
Calc Pro is a comprehensive mobile calculator app that offers a range of powerful features for iPhone users. With its unrivaled power, accuracy, and advanced functionalities, this app has gained the trust of millions of satisfied users …
Catenary Cables
Catenary Cables introduces a new approach to the sagging process for overhead transmission line conductors, offering enhanced accuracy, precision, and efficiency.
Coordinate Master
Coordinate Master showcases an impressive capability as a map coordinate converter, leveraging the robust PROJ4 library alongside a comprehensive lookup file that includes various projection and datum parameters.
Decibel : dB sound level meter
Accurate Sound Measurement Made Easy with Decibel
Flipper Mobile App
Flipper Mobile App: The Ultimate Companion for Your Flipper Devices
Free42
Free42 is a meticulously crafted reimplementation of the renowned HP-42S calculator and the HP-82240 printer. Developed from scratch with no reliance on any proprietary HP code, Free42 stands as a testament to innovation and technical …
Freespoke
The Freespoke App provides users with a comprehensive set of results for information, news, and shopping. Our aim is to deliver unbiased and extensive results that enable users to draw their own conclusions and make well-informed …
GO-21 SciRPN
GO-21 SciRPN efficiently emulates the iconic HP-21 Pocket Scientific Calculator introduced in 1975. Representing a reminiscent experience of the original device, GO-21 stands out as a proficient yet uncomplicated retro calculator.
GO-25 SciRPN
GO-25 SciRPN is a simulator that accurately replicates the HP-25C Programmable Scientific Calculator from 1976. This retro calculator provides users with a powerful yet user-friendly experience, closely resembling the original device.
GO-29 SciRPN
Revolutionizing Scientific Calculations with GO-29 SciRPN
Halcyon Calc
Halcyon Calc: Your Versatile Calculation Companion
Halcyon Calc Lite
Halcyon Calc Lite is a versatile application designed for students, engineers, scientists, or anyone with an appreciation for classic calculators.
HP 15C Calculator
Reviving Classic Calculations with the HP 15C Calculator
My Leviton
My Leviton: Smart Lighting Control Made Simple
NIOSH Sound Level Meter
Accurate Sound Measurement Made Easy with NIOSH Sound Level Meter
PCalc
PCalc: The Ultimate Calculator for Professionals
Plus42
Plus42 is an advanced scientific programmable calculator that is based on Free42, which is a comprehensive re-implementation of the HP-42S scientific programmable RPN calculator manufactured by Hewlett-Packard from 1988 to 1995.
RLM-11CX
RLM-11CX: Your Go-To Solution for License Management
RPN Anywhere
This is a straightforward RPN Calculator available for use on both iPhone and Apple Watch. ** Please Note ** This calculator employs Reverse Polish Notation for input, utilizing a different operation method from a standard calculator …
RPN Calculator 48
RPN Calculator 48 is a highly polished RPN calculator app that serves as a remarkable replacement for Apple's calculator. With similar scientific functionality, it offers a seamless and efficient user experience.
RPN-25 CE
RPN-25 CE is a photo-realistic simulation of Hewlett-Packard's highly popular scientific calculator HP-25 for the iPhone.
RPN-67 SD
A virtual reincarnation of the iconic 1970s calculator, the RPN-67 SD brings the esteemed HP-67 programmable calculator to the modern era, now available on your iPhone.
Starlink
Starlink: Revolutionizing Global Internet Access
Sup-Anesok
An Innovative Approach to Personal Finance Management
The Clocks: Alarm, World Clock
Stay on Time with The Clocks: Alarm, World Clock
Secure and free downloads checked by UpdateStar
Buy now
App Store
App Store
Stay up-to-date
with UpdateStar freeware.
with UpdateStar freeware.
Latest Reviews
|
Adobe Flash Player ActiveX
Adobe Flash Player ActiveX: Essential plugin for interactive web content |
|
Cyberduck
Efficient File Transfer with Cyberduck |
|
MediaInfo
MediaInfo: Your Ultimate Media Analysis Tool! |
|
Intel Wireless Bluetooth
Stay connected seamlessly with Intel Wireless Bluetooth. |
|
Glorious Model O Software
Enhance your gaming experience with Glorious Model O Software! |
|
|
VNPT-CAMS Plugin
Streamline Your Camera Management with VNPT-CAMS Plugin |
|
UpdateStar Premium Edition
Keeping Your Software Updated Has Never Been Easier with UpdateStar Premium Edition! |
|
Microsoft Visual C++ 2015 Redistributable Package
Boost your system performance with Microsoft Visual C++ 2015 Redistributable Package! |
|
Microsoft Edge
A New Standard in Web Browsing |
|
Google Chrome
Fast and Versatile Web Browser |
|
Microsoft Visual C++ 2010 Redistributable
Essential Component for Running Visual C++ Applications |
|
Microsoft Update Health Tools
Microsoft Update Health Tools: Ensure Your System is Always Up-to-Date! |
Browse
Latest Updates
Zoom Player MAX 21.4.0
Enhance Your Media Experience with Zoom Player MAX!Atlantis Nova 4.4.6.1
Atlantis Nova: Your Gateway to Efficient Project Management
