# RPN Calc Pro

> Utilities

Canonical page: [https://chrome-stats.com/d/id6757244933](https://chrome-stats.com/d/id6757244933)

## Overview

- **ID:** `id6757244933`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** SparkStream, LLC
- **Category:** Utilities
- **Version:** 1.4
- **Last updated:** 2026-03-31
- **First published:** 2026-03-13
- **Size:** 339 KB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/ec/app/rpn-calc-pro/id6757244933?l=en-GB)
- **Privacy policy:** [https://sparkstreamgames.github.io/rpn-calculator-privacy/privacy-policy.html](https://sparkstreamgames.github.io/rpn-calculator-privacy/privacy-policy.html)

## Description

RPN CALC PRO - Classic Reverse Polish Notation

A professional scientific calculator for engineers, scientists, and RPN enthusiasts. Experience the efficiency of Reverse Polish Notation with a clean, modern interface.

RPN Calc Pro is provided for general use. Results should be independently verified for any critical application. SparkStream, LLC is not responsible for errors arising from use of this app.

FEATURES:
- Full 4-level stack display (T, Z, Y, X registers always visible)
- Complete scientific function set
- Trigonometric functions (sin, cos, tan, and inverses)
- Logarithmic and exponential functions
- Power and root operations
- Memory storage and recall
- Stack manipulation (swap, roll)
- Degree mode for all trig functions
- Clean, distraction-free interface
- No ads, no tracking, no subscriptions

PERFECT FOR:
- HP calculator users
- Engineering students and professionals
- Scientists and researchers
- Anyone who appreciates efficient calculation methods

WHAT IS RPN?
Reverse Polish Notation is a mathematical notation where operators follow operands. It eliminates the need for parentheses and allows for faster, more intuitive calculations once learned.

NO ADS. NO TRACKING. JUST CALCULATIONS.

## Rankings

- #1,108,972 — Overall

## Similar extensions and apps

- [Simple RPN](https://chrome-stats.com/d/id6771959257) — 5.00 / 5
- [RPNPro](https://chrome-stats.com/d/id603155368) — 5.00 / 5
- [RPN](https://chrome-stats.com/d/id6754224532)
- [|RPN| Scientific Calculator](https://chrome-stats.com/d/id1069467997) — 2.30 / 5
- [My RPN Calc](https://chrome-stats.com/d/id807032892) — 3.00 / 5
- [LC48 RPN Calculator](https://chrome-stats.com/d/id6799521755)
- [My RPN Calculator](https://chrome-stats.com/d/id1451441996)
- [RPN-Calc](https://chrome-stats.com/d/id6464329997)
- [RePNCalc - RPN Calculator Pro](https://chrome-stats.com/d/id969780852) — 5.00 / 5
- [Rpn Calculator SW](https://chrome-stats.com/d/id1542516217)
- [RPN 28x Calc](https://chrome-stats.com/d/id529927583) — 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6757244933)