170+ iOS apps curated and reviewed
The best rpn calc pro apps on iPhone average 4.4★ across 170+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Experience the ultimate mobile calculator with 10 powerful calculators and financial worksheets, trusted by millions worldwide for its unrivaled accuracy and advanced features. From standard and scientific calculators to unit converters and graphing tools, this app has it all. Get it now for advanced calculations at your fingertips!
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.
Experience the ultimate mobile calculator with 10 powerful calculators and 10 financial worksheets for your iPhone. From standard and scientific calculations to currency conversions and graphing, Calc Pro is the trusted choice for students and professionals alike. Join millions of satisfied users worldwide and get Calc Pro now for advanced calculations at your fingertips!
This calculator app uses Reverse Polish Notation for efficient calculations, offering advanced features like swipe gestures and external keyboard support. Upgrade to the full version to unlock its complete functionality and enjoy seamless use across various iOS devices and Apple Silicon Macs.
This advanced scientific and financial calculator is designed for professionals, offering over 96 functions, including mortgage amortization and cash flow computations, and supports various number bases and programming features. With high precision accuracy and fast computations, it provides a comprehensive tool for daily calculations, available on iPhone and iPad devices.
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 best iOS calculator with a fully functional Scientific Calculator and Notepad featuring Auto Notes. Choose from Basic or Default layouts, enjoy Multitasking on iPad, and enhance your experience with additional packages like Finance and Units Converter. Say goodbye to other calculators and give it a try today!
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.
Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!
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!
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.
A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!
A top-rated HP 12C Financial Calculator emulator app on iOS with all the functions of the original calculator, including TVM, NPV, IRR, amortization, statistical analysis, and more. Enjoy a user-friendly experience, quick access help, online support, and customization options. Email support@vicinno.com for assistance. Visit www.facebook.com/vicinno & www.twitter.com/vicinno for updates.
A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!
This versatile RPN calculator offers a range of scientific and financial functions, including classical operations, logarithms, trigonometry, statistics, and financial calculations, with a clean and minimalist interface. With features like complex number support, equation solving, and numerical integration, it's a powerful tool for calculations, and users can even access it on their Apple Watch for quick operations.
Experience the efficiency of RPN Calculator 48, a polished RPN Scientific Calculator offering the same functionality as Apple's calculator app with enhanced features like swipe gestures, quick startup, large buttons, and more. Inspired by HP's 48-series calculator, it provides a user-friendly experience for complex calculations.
This programmable scientific calculator offers a modern and intuitive user experience with a classic look, featuring a dynamic stack display and reverse-polish notation. With advanced commands, customizable buttons, and support for multiple data types, users can efficiently perform calculations, write programs, and explore scientific units and constants.