149+ iOS apps curated and reviewed
Finding the right rpn 28x calc app can be overwhelming with so many options. We've analyzed 149+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
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.
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 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 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.
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!
"Experience the most powerful RPN scientific calculator for iOS with a rich set of features including a full Computer Algebra System (CAS), access to HP-41 library modules, and extensive customization options. Enhance your scientific, engineering, and financial calculations with a virtual thermal printer, programmable functionality, and iCloud support. Download now for a comprehensive calculator experience."
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 versatile business calculator with over 100 functions for finance, math, and stats. Calculate loans, interest, cash flows, and more with ease on both iPhone and iPad. Perfect for business professionals and students alike.
A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!
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!
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.
This scientific calculator uses Reverse Polish Notation and offers a wide range of functions, including trigonometric, exponential, and logarithmic calculations, as well as various mathematical operations. Try it out to perform complex calculations with ease and precision.
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!
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!
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.
This calculator is a simple and practical tool that uses reverse polish notation and features undo functionality, allowing users to easily type and solve mathematical equations. Try it out and visualize your equations with a graphical plot.
This scientific calculator uses Reverse Polish Notation (RPN) and displays a stack of up to 4 values, allowing for efficient calculations with a large number of numbers. Try it out for a straightforward and functional calculation experience.
This financial calculator app is a simulation of a rare 1974 HP-70 calculator, offering functions for loan amortization, saving plans, and depreciation. It features a photo-realistic design, animated keys, and additional benefits like extra storage registers and a popup window for easy register viewing.
This RPN Calculator supports complex numbers and uses extended precision math, allowing for unlimited stack depth and up to 10 operations to be undone. Simply enter numbers and select operations to perform calculations, such as adding 3 and 4 by pressing 3, Enter, 4, and then +.