Best RPN Calculator 48 alternatives: apps like RPN Calculator 48

10+ similar apps compared and reviewed

4.6 avg rating

8 free apps

Updated November 2026

RPN Calculator 48

Tom Kerrigan

📊 Productivity

RPN Calculator 48 is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to RPN Calculator 48

#1

Plus42 by Thomas Okken

Enhanced HP-42S Calc Simulator

Editor's Choice

4.9(79 ratings)

$9.99

Plus42 screenshot 1

Plus42 screenshot 2

Plus42 screenshot 3

Plus42 screenshot 4

Plus42 screenshot 5

Plus42 screenshot 6

This advanced scientific calculator simulates the classic HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, financial functions, and 2D plotting with integral and root finding.

#2

bcRPN by Paul Wilkins

Strong Contender

4.8(8 ratings)

Free

bcRPN screenshot 1

This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.

#3

RePNCalc - RPN Calculator Pro by Michael Redig

Easy Reverse Polish Notation

Worth Considering

5.0(2 ratings)

FreeIn-App Purchases

RePNCalc - RPN Calculator Pro screenshot 1

RePNCalc - RPN Calculator Pro screenshot 2

This utility app offers a Reverse Polish Notation (RPN) calculator experience for iOS devices. It features customizable key layouts via swipe gestures and long-press options for stack items. External keyboard support is also available.

More apps like RPN Calculator 48

RPN Calculator. HP-35, 45, 21

Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.

RPN calculator emulationHP-35 modelHP-45 model

Compare with RPN Calculator 48

HP-42S Calculator Simulator

This app is a faithful open-source simulation of the HP-42S scientific calculator and its associated printer. It offers a complete rewrite without requiring original ROM images, allowing users to run existing programs on their mobile devices.

HP-42S calculator simulationHP-82240 printer simulationOpen-source project

Compare with RPN Calculator 48

The Best Calculator

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions

free with in-app purchases

Compare with RPN Calculator 48

The Best Calculator

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants

free with in-app purchases

Compare with RPN Calculator 48

Calc Pro - The Best Calculator

Calc Pro - The Best Calculator

Calc Pro - The Best Calculator

10 Calculators & Converters

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.

10 powerful calculators (Standard, Scientific, Graphing, etc.)10 financial worksheets (Mortgage, Loan, Compound Interest, etc.)Unit Converter with 3000+ conversions

free with in-app purchases

Compare with RPN Calculator 48

by GL Technologies (HK) Limited

Manage your GL.iNet router remotely, from basic setup and password changes to configuring mesh networks and VPN connections. Monitor real-time traffic, block unwanted users, and check device performance. Easily update firmware, control LED lights, and pause WiFi.

Basic router setup and password managementMesh network configurationOpenVPN and WireGuard VPN setup

Compare with RPN Calculator 48

Twindo: LiDAR Scan to CAD/BIM

Twindo: LiDAR Scan to CAD/BIM

Twindo: LiDAR Scan to CAD/BIM

2D floor plans & 3D as-builts

This app transforms physical spaces into accurate, design-ready digital models and data through quick scans or plan uploads. It provides a single source of truth for teams, streamlining workflows from planning to delivery and eliminating the need for repeat site visits.

Capture physical spacesCreate design-ready modelsGenerate structured data

free with in-app purchases

Compare with RPN Calculator 48