207+ iOS apps curated and reviewed
Finding the right modern rpn app can be overwhelming with so many options. We've analyzed 207+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
Experience the ultimate financial and scientific RPN calculator with programming functions similar to HP-12C and scientific functions reminiscent of HP-11C. Unlock additional flavors like 10C and 16C within the app.
The application is a powerful RPN (Reverse Polish Notation) calculator that can perform complex number operations. It allows users to view and enter numbers in both polar and rectangular formats, and it has a four-stack system with 10 memory locations, enabling users to save and retrieve complex numbers seamlessly. This tool is particularly useful for scientific and mathematical calculations involving complex numbers.
Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!
This RPN calculator, inspired by classic models, provides a pleasant calculation experience for users who prefer Reverse Polish Notation. It also offers the unique feature of performing calculations in duodecimal, and users can help improve the app by reporting bugs and suggesting enhancements.
Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.
A powerful calculator app for scientists, engineers, students, and programmers with features like RPN mode, multi-line display, unit conversions, constants, paper tape, undo/redo, and support for various calculation formats. Also available on Apple Watch for convenient wrist calculations. Try it now!
PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.
This simple and handy calculator uses reverse polish notation with seven functions, memory operations, and unit conversions, making it easy to perform basic calculations and convert units. With a memory value display and visible registers, it remembers your calculations even when closed, allowing you to pick up where you left off.
This scientific calculator brings the efficiency of Reverse Polish Notation (RPN) to iOS, allowing for rapid calculations with a simple and uncluttered interface. With 54 mathematical functions, including trigonometry, logarithms, and coordinate conversion, it enables users to perform complex calculations quickly and easily.
A user-friendly basic four-function calculator with a clear display and large buttons for easy calculations, available on both portrait and landscape modes. Download now for a straightforward and efficient way to handle your math tasks!
A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.
Quickly crunch numbers with our user-friendly iPad calculator app that offers basic and scientific functions. Download now for accurate calculations on the go!
Experience the nostalgia of a 1970s programmable calculator on your iPhone, with a vintage-inspired app that simulates the legendary HP-67, allowing you to run thousands of programs with ease and speed. With advanced features and compatibility with original programs, you can unlock the full potential of this retro calculator and start exploring now.
This calculator app combines the functionality of a scientific calculator with the efficiency of Reverse Polish Notation (RPN) mode, allowing for speedy calculations with a simple and uncluttered interface. Experience fast and efficient calculations, ideal for engineers and scientists, and discover a new way to calculate sums quickly and easily.
This simple reverse polish notation calculator is designed for quick calculations on iPhone, iPad, and Apple Watch, offering a clean and easy-to-use interface with standard functions. Try it out for a convenient and straightforward calculation experience!
Experience the perfect balance of functionality and complexity with a free scientific calculator app inspired by classic RPN calculators from the 1980s. Includes advanced features like complex number arithmetic, matrix calculations, numerical root finder, statistical functions, and more!
This scientific calculator uses Reverse Polish Notation (RPN) for efficient complex calculations, always displaying the stack to help track your progress. It features 10 memory registers, a special function for solving quadratic equations, and is set to receive additional features in future updates.
Explore the ultimate scientific calculator with 800 formulas in the Formula Toolkit In-App, over 1 million worldwide downloads, and 12 calculators for various functions including currency and unit conversion, finance, statistics, and more. Simplify your calculations with this award-winning calculator since 2007.