42s is an iPhone port of Thomas Okkens excellent and stable Free42, a complete re-implementation of the highly praised HP-42S RPN calculator. There are no ROMs or emulators involved allowing 42s to run natively and fast. * Added display option to show flags 0-4 at the top of the display if they are set.

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Similar Apps

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Free42
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RPN-65 Pro
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RPN-65 SD
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RPN Calculator Pro
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Network Toolkit
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Drivers Hours 2

42s RPN Calculator alternatives

RLM-11CX

The RLM-11CX is a full simulation of the successful HP-11C Scientific RPN calculator, with all the functions of the real one in a beautiful high definition interface. It includes a dynamic Portrait and Landscape orientation layouts that can be lock in the calculators preference ([g] > [PREF] key sequence). Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.

  • rating 5.0
  • size 25.0 MB

RPN Calculator 48

RPN Calculator 48 is a polished RPN replacement for Apples built-in calculator:- Starts quickly- Large buttons- Easy-to-read display- Same scientific functionality as Apples calculator- 100 entry stack (4 to 7 visible)- 6 memory buttons (A-F)- 50+ levels of undo/redo- Saves state on exit Use swipe gestures to undo/redo operations The ergonomics (screen and keyboard layout) of RPN Calc. 48 were inspired by HPs outstanding 48-series calculator. 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book).

  • size 0.7 MB

GO-25 SciRPN

GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator. The HP-25C was released in 1976 and sold for a MSRP of $195. Requires iOS 8.0 or higherRPNCopy / PasteShake to clear XProgrammable with 99 program steps, conditionals, full-speed or single step operationBuilt-in library of sample programsiTunes File SharingSwipe-up gesture that displays the stack and memory registers, and the program listing viewsFor iPad two finger drag operations for displayed viewsAddition, subtraction, multiplication, divisionTrigonometric functions : sin, cos, tan, sin, cos, tan, degrees, radians or gradsRectangular/polar coordinate conversionHours, minutes, seconds to decimal degrees conversion, and vice-versaLogarithmic functions : log, 10x, ln, exSummation +, mean, standard deviation Other functions : Yx,1/x, x, , FRAC, INT, ABS, %Display : LED, 10 significant digits (8 + 2 digit exponent in scientific notation), 10-99 to 10+99Memory : 4 register stack, stack roll down, X-Y interchange, 10 memory registers with register mathOptional thousands separator

  • rating 4.42856
  • size 14.4 MB

RPN-67 SD

A dream calculator of the 70s, priced at $1,900 in todays dollars, now on your iPhone RPN-67 SD is the iPhone version of RPN-67 Pro, the first complete simulation of Hewlett-Packards legendary HP-67 programmable calculator for the iPad. Produced from 1976 to 1982, the HP-67 was a huge success among scientists, engineers and other professionals. For more information and free program downloads visit the RPN-67 website: cuveesoft.ch/rpn67

  • size 63.0 MB

Emu50g

Emu50G is an emulator for the famous HP50g scientific calculator with its original skin. Carry your favorite calculator along with you every day and use it together with your favorite library Features: Full emulation of the HP50g calculator. Tap the LCD to get more information.

  • rating 3.625
  • size 46.1 MB

More Information About alternatives

Free42

Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer. It is a complete rewrite, not using any HP code, and it does not require an HP-42S ROM image. The executables and source code are released under the terms of the GNU General Public License, version 2.All third-party code used in Free42 is either in the public domain, or licensed under terms compatible with GPLv2, or used with the authors permission.

  • size 6.7 MB
  • version 2.0.6

RPN-65 Pro

Worlds first pocket computer Now running on your iPad. RPN-65 Pro is the first complete simulation of Hewlett-Packards stunning HP-65 programmable calculator for iOS. Fantastic (MacBreak Weekly, episode 572)Features: Virtual program and data cards Virtual paper tape printer supports AirPrint Powerful database-driven card manager Create, delete, label, and organize a virtually unlimited number of cards Sharing: e-mail, AirDrop, Dropbox, copy, paste, print Paste existing HP-65 listings into RPN-65 and run them Live display of stack, memory registers, program counter, flags Reads data cards created by RPN-67 Pro and RPN-97 ProRun RPN-65 Pro in any of 4 modes:1 - Just like the original HP-652 - Same, but at high speed3 - Includes user-interface improvements, like backstep key and jump to any program step4 - Super-65 with 999 program steps, 120 labels, 120 registers, nested subroutines, and much moreFor details, free program downloads, calculator handbook and much more, visit the RPN-65 website: cuveesoft.ch/rpn65

  • size 87.0 MB
  • version 1.8

RPN-65 SD

Worlds first pocket computer Now running on your iPhone. RPN-65 SD is the iPhone version of RPN-65 Pro, the first complete simulation of Hewlett-Packards stunning HP-65 programmable calculator for iOS. Fantastic (MacBreak Weekly, episode 572)Features: Virtual program and data cards Virtual 2000-line paper tape printer supports AirPrint Powerful database-driven card manager Create, delete, label, and organize a virtually unlimited number of cards Sharing: e-mail, AirDrop, Dropbox, iTunes, copy, paste, print Paste existing HP-65 listings into RPN-65 and run them Live display of stack, memory registers, program counter, flags Reads program and data cards created by RPN-65 Pro Reads data cards created by RPN-67 Pro/SD and RPN-97 ProRun RPN-65 SD in any of 4 modes:1 - Just like the original HP-652 - Like the original HP-65, but at much higher speed3 - With many user-interface improvements, like backstep key or jump to any program step4 - Super-65 with 999 program steps, 120 labels, 120 registers, nested subroutines, and much moreFor details, free program downloads, calculator handbook and much more, visit the RPN-65 website: cuveesoft.ch/rpn65

  • size 61.8 MB
  • version 1.7.1

RPN Calculator Pro

The HP-like Calculator is especially designed for the small screen The biggest display and the biggest buttons of all RPN calculators for the iPhone. With a simple touch in the LCD Display all hidden function slide in when they are needed. With the next updates there will be more and more functions according to user demands Grab it now and enjoy all the FREE updates

  • size 1.7 MB
  • version 7.1

Network Toolkit

Perform robust network diagnostics for troubleshooting and quickly resolving complex network issues with Network Toolkit This is the first release of Network Toolkit, the defintive application for any network professional. This is the list of the suits main tools: Network scanner Bonjour browser Network monitor Ping Traceroute Whois Port scanner DNS query / Dig Subnet calculator Device infoNETWORK SCANNERIts a very advanced, low level scan that is using several technologies to discover devices connected to your local network (computers, routers, printers, smartphones and so on), even if they are in stealth mode. Copy to clipboard by prolonged tap on a value Enjoy eye candy iPhone 4/Retina display graphics wuth some Quartz touches Reliable, fast, high-quality software Excellent product supportEnjoy a professional application written senior software engineers, each with at least 10 years experience in software development

  • size 5.5 MB
  • version 1.3

Drivers Hours 2

Drivers Hours is an easy way to track your driving hours day to day and store all your driving information in one easy to locate place.-Stores all your journeys.-Easy to view all your trips ordered by date.-Gives a 30 minute warning before any break is needed. (EU)-Shows how long you have done in totals on the counter screen so you can easily keep on track.-Stores all your driving records for each day to reference back to at any time. Its as easy as that This app will make all your drivers hours recording a breeze.New to Drivers Hours 2-Drivers hours 2 has been completely re-vamped, all graphics and user interface have been updated to take advantage of Apples world renowned retina display -Drivers hours 2 now includes Apples push notifications as requested have been added to this app to alarm you 30 minutes before you need to take a break -Drivers hours 2 now runs continuously even if you close the app, guaranteeing you that your hours are always being recorded, and that your driving limit alerts will always warn you -Drivers hours 2s new Logging system that allows you to see what you did in a set amount of time no matter how long youve been driving for, your no longer limited to that single days worth of driving stats -Drivers hours 2 now has an integrated wage calculator that tells you what your earning as you earn it -Drivers hours 2 also now comes with a full list of official regulations so you know exactly what you should and shouldnt be doing, never get caught out again Thank you to all our users for your support and note that reviews are highly appreciated so that we can make this app perfect for you.

  • size 3.3 MB
  • version 1.0