RPN-32 CE

RPN-32 CE

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RPN-32 CE: The Definitive HP-32E Simulation for iPhone

Bring back the legendary efficiency of the 'Spice' series. A photo-realistic, fully programmable RPN tool designed for the precision and muscle memory of a professional engineer.

Download on App Store

Publisher

Willy Kunz

Category

Productivity

Downloads

4K+

User Rating

5.0/5

Total Ratings

0

Locales

1

The Legend in Your Hand

Discover the interface used by 4K+ users.

A photo-realistic simulation of the HP-32E scientific calculator interface within the RPN-32 CE app.

A photo-realistic simulation of the HP-32E scientific calculator interface within the RPN-32 CE app.

Photorealistic interface of the RPN-32 CE scientific calculator app simulating the HP-32E

Photorealistic interface of the RPN-32 CE scientific calculator app simulating the HP-32E

Live register view of the RPN-32 CE scientific calculator app showing stack values and memory registers

Live register view of the RPN-32 CE scientific calculator app showing stack values and memory registers

RPN-32 CE app screen showing program steps and instructions for curve fitting

RPN-32 CE app screen showing program steps and instructions for curve fitting

A list of user and sample mathematical programs within the RPN-32 CE scientific calculator app.

A list of user and sample mathematical programs within the RPN-32 CE scientific calculator app.

Settings screen of the RPN-32 CE scientific calculator app showing options for haptics, sound volume, and visual display preferences.

Settings screen of the RPN-32 CE scientific calculator app showing options for haptics, sound volume, and visual display preferences.

Programming functions and descriptions screen for the RPN-32 CE scientific calculator app

Programming functions and descriptions screen for the RPN-32 CE scientific calculator app

A screenshot showing a sample program on the RPN-32 CE app to calculate the surface area of a doughnut

A screenshot showing a sample program on the RPN-32 CE app to calculate the surface area of a doughnut

Engineering Precision Reimagined

The tools that make this app stand out, trusted by 4K+ users.

📐

Authentic Photo-Realistic UI

Leverage decades of muscle memory with a tactile, skeuomorphic design that looks and behaves exactly like the original Spice-series hardware.

💾

Powerful 99-Step Programming

Automate complex calculations with subroutines and branching. Fully compatible with legacy HP-25 programs for seamless professional continuity.

👁️

Live Register Transparency

Monitor your stack and 20 registers in real-time. Gain full visibility into your data processing with a live view designed for technical accuracy.

Loved by users worldwide

Trusted by 4K+ people who love this app.

"

"As an engineer who has used HP calculators since the late 70s, this app is a revelation. The photo-realistic interface and the tactile feel of the RPN logic are spot on. Being able to run my old HP-25 programs on my iPhone is not just nostalgic—it is incredibly productive for my daily technical work."

Robert M., Senior Structural Engineer
"

"This is hands-down the best simulation of the Spice series I have ever used. The attention to detail, from the register view to the program library, is remarkable. It is the perfect bridge between vintage hardware and modern convenience. I no longer have to worry about battery leaks on my original 32E!"

David H., Retired Physics Professor

About the app

Everything you need to know about RPN-32 CE.

Description

RPN-32 CE is the first photo-realistic simulation of Hewlett-Packard's popular mid-range scientific calculator HP-32E for the iPhone. Produced from 1978 through 1983, it was the "Thyme" member of the third-generation HP calculators known as the "Spice" series. While the simulator works like the original calculator, a number of carefully designed extensions make it a lot easier to use. Unlike the HP-32E, this version is fully programmable, running virtually all programs written for the HP-25! Features: • Photo-realistic look-and-feel • Programmable (99 steps), subroutines, flags, loop control, branching • Insert and delete steps with automatic address correction • 20 registers, "continuous", with unrestricted store/recall arithmetic • Indirect register addressing • "Live" register view • Program listing view • Program library view • Store and retrieve any number of programs • Sharing: e-mail, AirDrop, Dropbox, copy, paste, print • 44 programs pre-installed • Import GO-25 programs • Export programs to RPN-25 CE Calculator functions: • Statistics (mean, standard deviation, linear regression, normal distribution) • Factorial • Trigonometric functions (degrees, radians, grads) • Polar/rectangular conversions • Hyperbolics • Inverse, square root, logarithm, exponential, pi • Storage arithmetic (store and recall) • Percent change • Percentage of Total • Unit and hours conversions • Many additional functions not found on the HP-32 Details: cuveesoft.ch/rpn32

Latest Version

4.3

Size

13.9 MB

First Released

Feb 18, 2016

Bring the Gold Standard of Engineering Back to Your Pocket

Experience the most faithful HP-32E simulation ever created. Reclaim the efficiency of RPN logic and run your classic programs anywhere, anytime.

Download on App Store