40+ similar apps compared and reviewed
OPie RPN Calculator is great, but it's not the only option. Explore 40+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.
This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.
This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.
A straightforward Reverse Polish Notation (RPN) calculator designed for both iPhone and Apple Watch. It offers essential calculator functions with intuitive gestures for input and stack management.
This calculator app replicates the functionality of traditional HP scientific calculators for iOS devices. It offers a four-level stack, multiple display options, and BCD math for precise calculations. Features include a "paper" tape for recording calculations and ten memory storage locations.
This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.
This educational calculator promotes the use of Base Twelve (duodecimal) in math and science. It offers standard mathematical functions in both duodecimal and decimal modes, with automatic conversion between them. It utilizes Reverse Polish Notation (RPN) for calculations.
