1. Home
  2. 🔧 Utilities
  3. |RPN| Scientific Calculator
|RPN| Scientific Calculator

|RPN| Scientific Calculator

by Bradley Smith

3 ratings
5 reviews
🔧 Utilities
📊 Productivity
$0.99

Details

  • Released
  • Updated
  • March 15, 2016
  • July 16, 2026

Features

Developer

Bradley Smith
✨Promote your app ✨
|RPN| Scientific Calculator screenshot #1 for iPhone
|RPN| Scientific Calculator screenshot #2 for iPhone
iphone
ipad
⭐5
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓8 answered
FAQ↘︎
📦~ in 3 weeks
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This calculator app uses Reverse Polish Notation for powerful calculations. It offers customizable color schemes, layouts, and online help, designed for flexibility and usability. All features are unlocked with a one-time purchase.

✓Reverse Polish Notation (RPN)
✓Viewable stack
✓Selectable portrait/landscape layouts
✓Customizable color schemes
✓Online visual help
✓No ads or in-app purchases
Show original description
+1

What's New in |RPN| Scientific Calculator

1.60

July 16, 2026

Fixed bug with the notch display. Made significant digit changes persistent. First version cleaned up and maintained by AI.

User reviews

Most RecentHighest RatedLowest Rated

Awesomeness

Teacher banned it at my school because it had to many functions and was very easy to use. She said it explained how to do the problem for you
absmithsabsmiths

Nice, flexible calculator

Does what it needs to do, and then some. I especially like the programmer modes. Make the settings screens work better for five stars. BEST INVESTMENT EVER!!!!!!
absmithsabsmiths

Will not update- Will not reload

I gave this one star cause I have to. Error message for new update. Deleted app and tried to reload. Won’t load. Time to get another calc app
Joey22974Joey22974

Unable to download after last update

Purchased this app but am unable to download the latest update. Get an error message every time. Deleted app and try to download - same error message. Now nothing is there and I’ve wasted my money..... :(
TotosmomTotosmom

Nice, flexible calculator

Does what it needs to do, and then some. I especially like the programmer modes. Make the settings screens work better for five stars.
absmithsabsmiths

FAQ

What is Reverse Polish Notation (RPN) in |RPN| Scientific Calculator?

Reverse Polish Notation (RPN) is a method of calculation where operators follow their operands. This differs from standard infix notation where operators are placed between operands. Many users find RPN more efficient for complex calculations.

Does |RPN| Scientific Calculator have ads?

No, |RPN| Scientific Calculator does not have ads and never will. The developer explicitly states that all functionality is included with the purchase, ensuring an ad-free experience.

What devices does |RPN| Scientific Calculator support?

|RPN| Scientific Calculator is available for iPhone, iPad, and iPod. It offers selectable portrait and landscape layouts for optimal use on different screen sizes.

How often is |RPN| Scientific Calculator updated?

The latest version is 1.31, released on December 18, 2025. While specific update frequency isn't detailed, the app has received updates since its initial release on March 15, 2016.

What is the age rating for |RPN| Scientific Calculator?

|RPN| Scientific Calculator has an age rating of 4+. This indicates it is suitable for children and adults and does not contain content inappropriate for younger users.

Can I try |RPN| Scientific Calculator before buying?

This application is a paid app, priced at $0.99. There is no free trial mentioned, so the purchase is required to access and use all its features.

What is the user sentiment for |RPN| Scientific Calculator?

Based on the provided data, |RPN| Scientific Calculator has a rating of 2.3 stars from 3 ratings. This suggests a mixed to negative user sentiment, with limited user feedback available.

Does |RPN| Scientific Calculator offer different pricing tiers?

No, |RPN| Scientific Calculator is a one-time purchase at $0.99. All functionality is included with this single purchase, and there are no in-app purchases or subscription tiers.