Best Jrpn 16C Apps

205+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

Looking for free jrpn 16c apps? 18 of our 205+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Jrpn 16C Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JRPN 16CJRPN 16CFree4.3★ (3)NoNoJun 2026
2Sci:Pro CalculatorSci:Pro CalculatorFree4.8★ (3.6K)NoNoAug 2026
3Retro 15CRetro 15CFree4.3★ (212)NoNoJul 2026
4Calculator HD Pro LiteCalculator HD Pro LiteFree4.6★ (51K)YesNoAug 2026
5Calculator‰Calculator‰Free4.9★ (404K)YesNoAug 2026
6HP 15c CalculatorHP 15c Calculator$14.994.8★ (205)NoNoAug 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoAug 2026
8Panecal Scientific CalculatorPanecal Scientific CalculatorFree4.8★ (1.9K)YesNoAug 2026

Top Picks for Jrpn 16C

JRPN 16C#1

JRPN 16C by Philip Starner

Editor's Choice
📊 Productivity
4.3(3 ratings)
Free
JRPN 16C screenshot 1
JRPN 16C screenshot 2
JRPN 16C screenshot 3

This app simulates the HP 16C programmer's calculator, replicating its look and functionality. It features a seven-segment display and supports RPN input, with an option to disable windowing for longer number displays. The full source code is available on GitHub.

Sci:Pro Calculator#2

Sci:Pro Calculator by Jerry Montgomery

Strong Contender
🔧 Utilities
4.8😊(3.6K ratings)
Free
Sci:Pro Calculator screenshot 1
Sci:Pro Calculator screenshot 2
Sci:Pro Calculator screenshot 3
Sci:Pro Calculator screenshot 4
Sci:Pro Calculator screenshot 5

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

What We Love

  • 🚀 Fast and responsive
  • 👍 Clean and intuitive interface
  • 🔒 No ads or in-app purchases
  • 💡 Versatile with basic, scientific, and programming modes

Room to Improve

  • 🐛 Occasional bugs or glitches
  • 🔍 Lack of split-screen support on iPad
  • 🔍 Limited keyboard input support
Retro 15C#3

Retro 15C by Greg Hewgill

Worth Considering
🔧 Utilities
4.3😊(212 ratings)
Free
Retro 15C screenshot 1
Retro 15C screenshot 2

This app emulates a classic RPN scientific calculator, offering advanced features like complex number arithmetic, matrix calculations, and programmability. It provides a functional and complex tool reminiscent of 1980s calculators.

What We Love

  • 🚀 Lightning-fast calculator
  • 👍 Authentic look and feel of HP 15C
  • 🚀 Faster than real HP 15C
  • 👍 Excellent RPN emulation

Room to Improve

  • 🐛 Doesn't save settings, programs, or memory
  • 🐛 No key press feedback or sound
  • 🐛 Blinking display issue with large calculations

More Jrpn 16C apps to explore

4
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
(51K)
ad-supported
5
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
6
HP 15c Calculator
HP 15c Calculator
HP 15c Calculator
Official emulator of HP 15c
$14.99

Experience the official emulator of the legendary HP 15c scientific calculator. This app offers a redesigned interface and modern look while preserving the precision and reliability of the original. It features RPN input, matrix calculations, complex functions, and numerical integration for professionals and students.

Official HP 15c emulatorRPN (Reverse Polish Notation)Matrix calculations
🔧 Utilities
(205)
paid
7
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
8
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
9
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Large buttonsDual-line display18 color themes
🔧 Utilities
(13K)
ad-supported
10
JRPN 15C
JRPN 15C
JRPN 15C
by Philip Starner
Free

This app emulates the functionality and appearance of the classic HP-15C scientific calculator. It offers advanced mathematical features like complex math, matrices, and numerical integration, replicating the 1982 device's state-of-the-art capabilities.

HP-15C simulationSeven-segment display emulationComplex math
📊 Productivity
(5)
free
11
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

This app functions as a powerful graphing calculator with extensive scientific functions, unit conversion, and a built-in math and science reference. It supports graphing multiple equations, polar coordinates, and implicit functions, making it ideal for complex calculations and homework.

Scientific calculator with advanced functionsGraphing up to four equations simultaneouslyUnit converter for various physical quantities
📚 Education
(299)
free with in-app purchases
12
Developer Calc Hex Dec Oct Bin
Developer Calc Hex Dec Oct Bin
Developer Calc Hex Dec Oct Bin
Show all Base number
Free

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

Binary, octal, decimal, hexadecimal conversionColor hex code and RGB displayLarge 19-digit decimal display
🔧 Utilities
(14)
ad-supported
13
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Basic & Scientific CalculatorLive Currency ConverterHistory Tape
🔧 Utilities
(358K)
free with in-app purchases
14
15C Pro Scientific Calculator
15C Pro Scientific Calculator
15C Pro Scientific Calculator
HP 15C emulator
$5.99

This app emulates the HP 15C scientific calculator, offering advanced functions like complex numbers, matrix operations, numerical integration, and root finding. It provides the same capabilities as the original hardware with enhanced performance for your mobile device.

Complex number supportMatrix operationsNumerical integration
🔧 Utilities
(281)
paid
15
MyCalculatorClient
MyCalculatorClient
MyCalculatorClient
currency exchange
Free

This application serves as a versatile tool for both mathematical calculations and real-time currency exchange. It offers a straightforward interface for everyday financial tasks and international currency conversions.

Calculator functionalityCurrency exchange ratesFinancial calculations
💼 Business
(724)
free
16
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
17
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(25K)
free with in-app purchases
18
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

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
🔧 Utilities
(4.6K)
free with in-app purchases
19
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
20
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.

High precision calculation engineResults displayed while typingMultiple undo functionality
🔧 Utilities
(268)
ad-supported

FAQ about Jrpn 16C

What are the best jrpn 16c apps for iPhone?
JRPN 16C tops our jrpn 16c apps ranking as of May 2026, with a 4.3-star average from 3 App Store ratings, and it's free to download.
Yes — 18 of the top jrpn 16c apps we rank are free to download, including JRPN 16C and Sci:Pro Calculator.
JRPN 16C has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 205+ jrpn 16c apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
JRPN 16C is a mobile application that simulates the HP 16C programmer's calculator. It replicates the original calculator's appearance, behavior, and features, including its seven-segment display and RPN input.
JRPN 16C is available for iPhone and iPod devices. It runs on iOS.