RPN Calc Pro

1.1

SparkStream, LLC

0.00

0 reviews

1+
Downloads

$2.99

Professional RPN calculator. No ads, no subscriptions. Pay once.

1+ downloads

About RPN Calc Pro

RPN Calc Pro is a tools app developed by SparkStream, LLC.

How many times has RPN Calc Pro been downloaded?

RPN Calc Pro has been downloaded 2 times. In the last 30 days, the app was downloaded 0 times.

What is the rating of RPN Calc Pro?

RPN Calc Pro has no ratings yet.

Is RPN Calc Pro free?

RPN Calc Pro costs $2.99 to download. The APK download size is 819.26 kB. The latest version available is 1.1. The last update was on April 5, 2026.

What are the requirements for RPN Calc Pro?

The app has a content rating of Everyone. The app has been available on Google Play April 2026.

Description

RPN Calc Pro brings the power of Reverse Polish Notation to Android — the same calculation method used by HP calculators trusted by engineers, scientists, and mathematicians for decades.

If you already know RPN, you know why it's faster. If you're new to it, you'll wonder how you ever worked without it.

No ads. No subscriptions. No internet required. Pay once, own it forever.

FEATURES

- 4-level RPN stack (T, Z, Y, X registers)
- Full scientific function set: SIN, COS, TAN, ASIN, ACOS, ATAN
- Logarithms: LN, LOG, eˣ, 10ˣ
- Power functions: yˣ, x√y, x², √x, 1/x
- Factorial (n!) and combinations (nCr)
- Constants: π and e
- DEG / RAD angle mode
- Degree ↔ Radian conversion
- Last X register for error recovery
- Memory register with STO, STO+, RCL, MCLR
- 2nd function system for quick access to 18 additional functions
- Scientific notation entry (EE)
- Smart number formatting

DESIGNED FOR PROFESSIONALS

Clean, distraction-free interface built for people who use their calculator seriously. No ads, no subscriptions, no internet connection required. Your calculations stay on your device.

Built by SparkStream LLC.

Recent changes:
Bug fixes and improvements:
- Fixed divide by zero and other math errors now show a clear error message instead of crashing or displaying invalid results
- Fixed reciprocal (1/x) zero guard
- Fixed T register replication after binary operations
- Improved scientific notation input validation
- Larger button text for easier readability

Show more Show less

More data about RPN Calc Pro

Price	$2.99
Total downloads	2
Recent downloads	0
Rating	No ratings
Ranking	Not ranked
Version	1.1
APK size	819.3 KB
Number of libraries	?
Suitable for	Everyone
Ads	NO ads

App Performance Report

Get a detailed PDF report for RPN Calc Pro with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Alternative downloads for the RPN Calc Pro app

RPN Calc Pro compared with similar apps

Common keywords of similar apps

Ads Subscriptions Register Fixed Calc Pro Pay Power Internet Required Function Error Sto Built Rpn Notation Scientific Calculator Functions

Keywords missing from this app

Hp Converter Calculation Recent Display Equations Calculations Complex Number Support Financial Modes Numbers Includes Features Statistics Memory Algebraic Version Formulas Section Reverse Polish Operations Fractions Mode Free Standard Reference Registers History Decimal Linear Arithmetic Interest Unit Configurable Precision Calculators Basic Including Algebra Physical Base App

Downloads over time

Subscribe to see download velocity and history

RPN Calc Pro has been downloaded 2 times. Over the past 30 days, it has been downloaded 0 times.

Changelog of RPN Calc Pro

Show changelog

Developer information for SparkStream, LLC

SparkStream, LLC

support@sparkstreamgames.com

Legal name:

Address:

Phone number:

Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.

I'm the developer of this app

Comments on RPN Calc Pro for Android

We don't have enough comments to show example comments. Please check back later.

Google Play Rankings for RPN Calc Pro

This app is not ranked

Technologies used by RPN Calc Pro

3 permissions

Subscribe to see full permission and library details

Apps on sale Apps other people are watching Today's trending apps Popular Tools Apps Top new apps

AppBrain is a directory focused on discovering great apps and games. We give statistics, rankings and search options that Google Play and the App Store don't have. All trademarks are owned by their respective owners. AppBrain doesn't offer APKs or binaries, and always lets users install the official version from Google Play or the App Store.

More apps