Apps Like LXVII for iPhone and iPad
HP-67 RPN calculator emulator for OS X.
The app emulates the HP-67 RPN programmable calculator. It offers multiple active calculators, full memory visibility, and a paper tape register with various modes.
LXVII screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Ruler®
Tue Nguyen Minh
Measure with ruler, tape, and camera
Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.
Graphing Calculator Plus AI
An Truong
Calculate, graph, and solve equations
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Access detailed tutorials and a comprehensive user manual. Export results and share calculations.
Calculator Pro+ for iPad
Mosaic S.r.l.
Calculator with unit and currency converter.
The app offers basic and scientific calculator modes, a universal converter for numerous units, and multitasking capabilities. Users can view calculation history, edit input, and customize the appearance with various skins.
i48
Automagic Software Pty Ltd
HP48GX calculator emulator for iPhone.
The app emulates the HP48GX calculator for matrix calculations and function integration. Users can perform these tasks on an iPhone or iPod touch.
RPNPro
Felix Meier
Calculator for software engineers using RPN.
The app uses RPN (Reverse Polish Notation) as an input scheme. It is based on a four level stack model featuring X, Y, Z, and T registers.
WP 31s
Pascal Meheut
Calculate, edit, and store formulas
A scientific calculator with RPN input. Perform complex calculations, access trigonometric and logarithmic functions. Store and recall values. Use a simplified keyboard layout for easier navigation.
RPN-34 CE
Willy Kunz
Simulate HP-34C calculator
Simulate the HP-34C calculator with photo-realistic graphics. Perform integration and root finding calculations. Access extended functions and improved speed. Navigate using on-screen buttons and keyboard input. Save and recall values.
Complex RPN Calculator
John Coddington
Scientific RPN calculator with complex numbers.
The app is a scientific RPN calculator. It has a four-level stack and complex numbers as its native number type.
EZ Adder
Robert Wohnoutka
Calculate, edit, and track entries
Perform basic calculations with addition, subtraction, multiplication, division, and percentage. View and edit all entries on an electronic paper tape. Access six calculators with customizable colors.
RPN-38 CX
Willy Kunz
Simulate HP-38C calculator operations
Simulate the HP-38C calculator with real-time input and output. Perform financial calculations, program custom functions, and use reverse Polish notation. Supports HP-12C compatibility for most operations.
RPN-25 CE
Willy Kunz
Calculate with photo-realistic precision
Simulate the HP-25C calculator with input method. Perform complex calculations, store and recall values, and use programmable functions. Access continuous memory for data retention. View and edit programs directly on the interface.
Calculator #
An Truong
Calculate, graph, and solve equations
Perform complex calculations with a powerful math core and algebra engine. Display mathematical expressions with proper formatting. Solve equations, graph functions, and convert units. Access scientific, financial, and programming calculators.
Feet & Inches Tape Calculator
Tue Nguyen Minh
Calculate and with a measure display
Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.
Calcbot 2
Tapbots
Review calculations and send them back
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
Rapid & Quick Calculator
Tasuku Maeda
Calculate, edit, and track equations
Calculate sales tax and discounts with percentage-based operations. View equations and reuse previous results via the history tape. Adjust rounding settings and switch between multiple color themes.
Paper Calc Office
Richard Silverman
Review, email, and timestamp entries
Calculator with large keys and 4 basic functions for use. Review entries using tape, add comments, timestamp, and email numbers. Bring past entries into current calculations.
i41CX
Antonio Lagana
Calculate with RPN and scientific functions
Perform complex calculations using RPN input. Access a wide range of scientific and programming functions. Customize skins and adjust key feedback settings. Input and edit equations with precise control. Save and retrieve programs for repeated use.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.