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RPN-97 Pro

RPN-97 Pro

Vintage Desktop Calculator

11 ratings
12 reviews
🔧 Utilities
📊 Productivity
$4.99

Details

  • Released
  • Updated
  • February 21, 2014
  • April 9, 2026

Features

Developer

Willy Kunz
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RPN-97 Pro screenshot #1 for iPad
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⭐12
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❓8 answered
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About

This app simulates a legendary 1970s programmable calculator, offering advanced features for scientists and engineers. It allows users to run programs, manage virtual cards, and access hundreds of free program cards from its website.

✓Virtual program and data cards
✓Virtual paper tape printer
✓Database-driven card manager
✓Create, label, and organize unlimited cards
✓Effortless saving of card collections
✓Formatted program listings
✓Live display of stack and registers
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What's New in RPN

7.5

April 9, 2026

• In the Card Manager ("Cards"), the green label fields of user cards may be edited in W/PRGM mode, with "Show Card Content" set to off. • Improved support of Silicon Macs.

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User reviews

Most RecentHighest RatedLowest Rated

My new favorite iPad calculator

I love this calculator. I found CuVee software a couple months ago. I have been using the 67 on my iPhone and iPad regularly—I really enjoy it.

I installed the 97 today on my iPad, and it’s just perfect as a desk HP calculator.

CuVee makes the highest quality HP emulations. Their design choices, including their modern additions, are elegant and simple to use. And they are gorgeous and powerful. I highly recommend them.
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wesperduewesperdue

Fantastic Emulator

I have all of the Cuvée emulators. Having actually owned many of these HP’s it is a real treat the have them all in one place on my iPhone and iPad. With the originals getting old, I can save mine from the wear and tear they might get into if I carried them around. Please, how about the HP-01.
TransmasterTransmaster

Just perfect

Incredibly realistic simulator emulator. I m so happy about it that I bought all available from cuvée soft to appreciate as much as deserved.
The 97 for iPad an Mac and the 67 on my iPhone which I keep only because of this app.
CL600CL600

Well done

I’ve had rpn calculators for over 40 years. This app is a perfect simulation in today’s technology. Excellent!
Mikey2124789Mikey2124789

Printer doesn’t make sounds

I love the app I just wish the printer was more realistic. So when I print something it sounds like it’s doing something.
CreativeCredentCreativeCredent

Response from developer

Set "Enhancements" to "Off". Enable "Dot-matrix Font". You'll hear the sound of the original HP-97 while printing, using HP's dot-matrix font.

See 7 more reviews

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FAQ

What is RPN-97 Pro?

RPN-97 Pro is a complete simulation of the Hewlett-Packard HP-97 programmable calculator for iOS devices. It aims to replicate the functionality and experience of the original 1970s calculator.

How much does RPN-97 Pro cost?

RPN-97 Pro is a paid application, priced at $4.99. This one-time purchase grants access to all its features and capabilities.

Does RPN-97 Pro have ads?

No, RPN-97 Pro does not contain advertisements. As a paid application, it provides an ad-free experience for its users.

What devices is RPN-97 Pro compatible with?

RPN-97 Pro is designed for iPads. It supports hardware keyboards and offers a low-battery indicator when the iPad charge is 10% or less.

How often is RPN-97 Pro updated?

The latest version of RPN-97 Pro is 7.4, last updated on March 3, 2026. While specific update frequency isn't detailed, this indicates ongoing development and support.

Can I use programs from other HP calculators with RPN-97 Pro?

Yes, RPN-97 Pro is fully compatible with RPN-67 Pro and can paste listings from HP-67 or HP-97 calculators from other sources to run them within the app.

What makes RPN-97 Pro 'super-charged' compared to a real HP-97?

RPN-97 Pro can be configured with enhanced features beyond the original HP-97, including up to 999 program steps, more registers, additional flags, and over 150 extra operations and functions.

What do users like about RPN-97 Pro?

User reviews highlight the app's delightful experience, excellent magnet card reader emulation, and professional quality. Many users express being blown away by the simulator's accuracy and performance.