Free42 HP-42S Calculator Simulator

Free42 HP-42S Calculator Simulator

Free42 HP-42S Calculator Simulator download for free to PC or mobile


Free42 is a high-fidelity simulator of the HP-42S RPN scientific calculator and the HP-82240 printer. It offers a seamless experience for both casual users and professionals who rely on precise calculations. This powerful tool replicates the original HP-42S interface, providing all the advanced functions and programmability of the classic device. Whether you're performing complex mathematical computations, engineering tasks, or financial analysis, Free42 ensures accuracy and efficiency. The application is available for multiple platforms, including Windows, macOS, Linux, iOS, and Android, making it accessible wherever you go. Enjoy the nostalgia of the HP-42S with the convenience of modern technology. Download Free42 today and elevate your calculation capabilities!


07 Jun 2024
Title Free42 HP-42S Calculator Simulator
Size 4.3 MB
Price free of charge
Category Applications
Developer Thomas Okken
System Windows
4.3 MB
3

738 reviews
3419

downloads
The content of games with a PEGI 3 rating is considered suitable for all age groups. The game should not contain any sounds or pictures that are likely to frighten young children. A very mild form of violence (in a comical context or a childlike setting) is acceptable. No bad language should be heard.

Equivalent to E (low end) and EC (which is no longer used). 435 titles were rated PEGI 3 in 2020.
PEGI Rating

Free42 HP-42S Calculator Simulator installation

download

Click on the Download button to start downloading Free42 HP-42S Calculator Simulator for Windows from Maombi.com

open

Open the .exe installation file in the Downloads folder and double click it

props

Follow the instructions in the pop-up window to install Free42 HP-42S Calculator Simulator on Windows Desktop

run

Now you can open and run Free42 HP-42S Calculator Simulator on your PC

Free42 HP-42S Calculator Simulator Features

Free42 is a powerful HP-42S calculator simulator that brings the classic functionality of the original device to your fingertips. With its sleek design and user-friendly interface, you can perform complex calculations with ease. The app includes all the features of the original calculator, including RPN mode, programmability, and a wide range of scientific functions. Whether you're a math whiz or just looking for a reliable calculator, Free42 is the perfect tool for all your calculation needs. Download now and experience the convenience of having a virtual HP-42S at your disposal anytime, anywhere.

Graphing

Visualize mathematical functions with customizable graphs for better understanding and analysis.

Programming

Write and execute programs using RPN programming language to automate calculations and tasks.

Matrix Operations

Perform matrix calculations including addition, subtraction, multiplication, and more with ease.

Statistics

Analyze statistical data with functions such as mean, standard deviation, regression, and more.

Unit Conversions

Convert between different units of measurement effortlessly for various calculations and comparisons.

Solver

Solve complex equations and systems of equations quickly and accurately for various mathematical problems.

Free42 HP-42S Calculator Simulator overview

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    01

    Experience the power of a versatile application designed for scientific calculations. With advanced features like RPN functionality, matrix operations, and statistical analysis, it caters to both students and professionals. Effortlessly navigate through complex equations and data sets with a user-friendly interface. Perfect for anyone needing precision and efficiency in their calculations, this tool enhances productivity and accuracy in every task.

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    02

    This innovative application offers powerful scientific calculations with an intuitive interface. Users can easily input complex equations and access a variety of functions, including matrix operations and statistical analysis. The display clearly shows results, making it simple to track calculations. Ideal for students and professionals alike, this tool enhances productivity and accuracy in mathematical tasks, streamlining your workflow effectively.

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    03

    Experience advanced calculations with this innovative application designed for scientific and engineering tasks. Featuring a clear display for easy reading, it offers a range of functions including matrix operations, statistical analysis, and complex number calculations. The intuitive layout ensures quick access to essential features, making it perfect for students and professionals alike. Simplify your problem-solving process and enhance productivity with this powerful tool.

Free42 HP-42S Calculator Simulator

Download Free42 HP-42S Calculator Simulator

Free42 HP-42S Calculator Simulator reviews

Update: 02 Jan 2026

Miles Kelly

The app has potential, but I've experienced bugs that can’t be overlooked. It’s definitely better than some other calculators, but it can get frustrating. Hoping for an update soon!


Ethan Adams

Free42 is a treasure! Perfect for my studies, and I adore the nostalgic vibe it gives. I'm honestly impressed by how smooth it runs. If you haven’t downloaded it yet, what are you doing?!


Gabriel Hall

Free42 is okay but nothing extraordinary. It has some nice features but also some quirks that can be frustrating, especially when I'm in a hurry. Just mixed feelings about it!


Liam Brooks

Old-school feels with a modern twist! I didn't think I could be so excited about a calculator, but here we are! Perfect for my engineering courses. Seriously, I’m telling everyone about Free42!


Ava Martin

I’m lovin' this app! The ease of use is phenomenal and it really resembles my beloved HP-42S! So glad I found this, calculating has never been so fun and efficient! Thanks to the devs cause this is next level!


Oliver Carter

I’ve been using Free42 for a month now and it’s quite good! The layout is nice, but sometimes it takes a bit to load. Overall, good experience and it helps with my calculations.


Mason Clark

This app has changed my life! I can do all my calculations on my phone now without needing my old HP. It’s just so convenient and I find myself smiling every time I use it! Total must-have for math lovers!


Lucas Bennett

Decent app but I faced some unexpected crashes, which stressed me out during exams. Still, the features are great when working. I hope they fix those bugs soon!


Henry Rivera

Okay app but it tends to freeze at times, which is annoying. The functionality is solid, but I feel like it could use some smoothing out. Would still recommend it to others with caution.


Nora Ward

It’s a decent calculator app. I like its features, but it lacks some stability. I've encountered a couple of bugs that need fixing. Focusing on the positives, though, it works pretty well!


Emily Richards

I absolutely love Free42! It's like having my old calculator back but with way more features. The simplicity is perfect for me, and the aesthetics are on point. Can’t imagine doing math without it now. Hats off to the creators!


Lily Baker

I think Free42 is a pretty solid calculator! There’s a lot of depth here and excellent options for advanced functions. I do wish the interface was more intuitive tho. But I’ll keep using it, for sure!


Isabella Hill

100% the best calculator app out there! I've tried a million others, and this one is HANDS DOWN the easiest! The functionality is superb. I'm actually enjoying math again! It’s revolutionary!


Charlotte Lewis

I still can’t believe this is free! The performance is stellar, and all the features work like a charm. I struggled a bit getting used to some functions, but it’s worth the effort. Totally recommend to anyone who needs a reliable calculator!


Zoe Collins

I have a love-hate relationship with this app. It’s useful but can be glitchy sometimes, which has thrown me off. I appreciate its features a lot but wish it was more reliable overall!


Jake Thompson

This app is just AMAZING! I used to love my HP-42S back in the day, and now I've got it right on my phone. Complete game changer for my calculations. Best thing ever! Can't believe how easy it is to use. Seriously, you have to try it!


Mia Green

Pretty good! The programmable features are solid, and the accuracy is on point. I wish there were more tutorials, though. That would help a lot! But still, this app makes my studies easier.


Sophia James

Wow, just wow! Free42 has made my life so much easier. I feel like a math wizard now, and the amount of features you get is insane! I can't believe it’s free. I’d pay big money for this!


Chloe Carter

Good functionality, but I think the design could be a bit more user-friendly. Some buttons feel cramped on my screen. Nonetheless, it’s been useful for my calculations!


Aubrey Strong

Really enjoy using this app! The calculation functions are fantastic and intuitive. I did face a bug once, which was frustrating, but overall, I'm happy with my purchase (so to speak)!


Ryan Foster

This simulator rocks! The layout is super user-friendly, and I love that I can save my work. It’s helped me a ton with my assignments. Also, the export feature is so neat. I'm totally hooked on this app!


Noah Scott

Great app overall! I really appreciate the ability to backtrack calculations easily. The interface could be a bit modernized, but it’s functional. I'm pleased with it for my classes.