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RPN Calculator 48

🇺🇸 United States
Tom Kerrigan  | 
46
ASO score
Text
65/100
Reviews
50/100
Graphic
18/100
Other
0/100
rating
App Rating
4.7
rating
Votes
305
rating
App Age
15y 4m
rating
Last Update
Feb 04, 2025

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.67
4.66
+0.2%
Number of Ratings (Voted)
303
2.5M
-100%
App Age
15y 4m
7y 6m
+104%
In-app Purchases Price
$0
$56
Update Frequency
36d
25d
+44%
Title Length
17
23
-26%
Subtitle Length
25
28
-11%
Description Length
642
2 926
-78%
Number of Screenshots
4
7
-44 %
Size
1MB
225MB
-99 %

Category Ranking in United States

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Top Mar 05, 2025 Mar 12, 2025
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Top Mar 05, 2025 Mar 12, 2025
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Ranking Keywords in United States

Keywords App Rank
rpn calculator
5
48
out out
Illustration
Analyze this and other apps using Asolytics tools

Text ASO

Title (
Characters: 17 of 30
)
RPN Calculator 48
Subtitle (
Characters: 25 of 30
)
RPN Scientific Calculator
Description (
Characters: 642 of 4000
)
RPN Calculator 48 is a polished RPN replacement for Apple's calculator app: - Same scientific functionality as Apple's calculator app* - Use swipe gestures to undo and redo operations! - Starts quickly - Large buttons - Easy-to-read display - 100 entry stack - 6 memory buttons (A-F) - 50+ levels of undo/redo - Saves state on exit The ergonomics (screen and keyboard layout) of RPN Calculator 48 were inspired by HP's outstanding 48-series calculator. RPN Calculator 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book). * This app is not an HP 48 emulator.}
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Visual ASO

Screenshots

Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4.7
305 voters

Some Latest Reviews

Pacific Panda
13 Feb, 2025
5
I really like this calculator. It doesn’t collect data on you. From what I understand, this calculator app is not an HP calculator emulator. However, it does use Reverse Polish Notation like some of the HP calculators do. I use this calculator app several times a day everyday.
rays-1234
02 Feb, 2025
5
Have used HP calculators for engineering my whole career. Have owned a few HP48 family calculators. It is so great to always have one with me n my phone wherever I need it. One of the most useful apps!
e_martyn
28 Jan, 2025
4
Siempre usé un HP en mi trabajo. Esta app la uso en mi iPhone, la recomiendo. Me gustaría que la actualizaran.
CWZercher
31 Oct, 2024
5
Anytime I don’t have my HP around. It’s a easy click open.
KG2V
22 Oct, 2024
5
Doesn’t have the full functionality of an HP-48, but heck better than an infix calculator
julaften99
20 Sep, 2024
5
This is one of the best apps to replace my old HP 48. It doesn’t try to emulate the physical calculator down to the last pixel. It doesn’t have any of the more advanced functions on the HP 48, which frankly I never used anyway. It’s simply a straightforward RPN calculator that feels familiar due to the HP-inspired buttons layout, without being overwhelmingly crowded with functionality.
Domenic52
09 Jul, 2024
5
I am a retired engineer who likes my HP 48G that no longer works. RPN is my natural habitat and I usually have my iPhone with me.
Ryan Jacobs
01 Jun, 2024
5
I’ve tried several free versions. I read the reviews and figured this one was worth the $4 risk. No jankyness / bad UI. Mimics my old 48GX pretty well (minus the graphing features). Everything works as expected! I don’t mind paying for software, especially if it motivates the developer to continue porting the app to each iOS release— (historically, a lot of my freeware apps have lost modern iOS support whenever Apple deprecates an old feature.)
steve1101167
04 May, 2024
5
All you need. Large buttons. Lots of lines. Swap xy. Roll down. Delete single inputs. Perfect.

Other

Additional Information
Rating:
4.7
Voted: 305
App Store Link:
Price: 3.99 $
Website:
Email: -
Privacy Policy:
Categories: Productivity, Utilities
Size: 1MB
App Age: 15 years 4 months
Release Date: Oct 29, 2009
Last Update: Feb 04, 2025
Version: 1.0.8
Version history
1.0.8
Feb 04, 2025
- Added support for hardware keyboards - Added an option for haptic feedback in the main menu
1.0.7
Dec 11, 2019
- The "LOGx" button was incorrectly labeled "LOGy". Fixed.
Version history