Apps Like RPN-55 SD for iPhone and iPad
RPN-55 SD screenshots
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.
EZ Calculator 2021
Corntree tech Co.Ltd
Calculate, edit, and track numbers
Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.
Calculator: Pro
Appgeneration, Software Technologies, Lda
Calculate, convert, and solve equations
MyCalc offers basic and scientific calculation functions. Users can switch between portrait and landscape modes. It supports currency and unit conversions. Results, equations, and conversions can be copied, shared, or saved.
GO-21 SciRPN
Steve Lidie
Calculate using RPN and stack registers
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Calculator ∞
An Truong
Calculate, graph, and solve equations
Solve equations, perform algebraic calculations, and graph functions. Support for multiple models including TI-83, TI-84, TI-89, Casio FX, and Sharp EL. Includes a scientific , fraction simplifier, and unit converter.
15C Pro Scientific Calculator
Vicinno Soft LLC
Programmable scientific calculator for iPhone.
The app provides complex number calculations, matrix operations, and root finding. It also performs numerical integration and supports hyperbolic and inverse hyperbolic trigonometric functions.
Panecal Scientific Calculator
Noriyasu Kutsuzawa
Enter formulas and check calculations
Is a that lets users input and edit formulas with a live display. It supports formula reuse, variable memory, and cursor navigation for precise editing. Users can check formulas for errors and adjust values efficiently.
Class Calc Graphing Calculator
Muskian Inc.
Calculate stats, graphs, and matrices safely
Perform statistical calculations, graph functions, and handle scientific and matrix operations. Access all features without ads or付费 restrictions. Replace physical calculators for test preparation and academic use.
Crimson Calculator 41cx
Crimson Research, Inc.
Program and store calculations
A programmable RPN with continuous memory allows users to access the stack and LASTx using STO and RCL commands. It supports 200-2000 lines of program memory and label addressing with strings.
RPN-67 NP
Willy Kunz
Simulate HP-67 calculator functions
Load and run 25 original programs from the HP-67 calculator. Perform calculations using reverse Polish notation. Access a wide range of mathematical and scientific functions. Store and retrieve programs using magnetic card simulation.
jCalc – Scientific Calculator
Jon Ericksen
Calculate fractions and decimals instantly
Solve mathematical problems with fraction, decimal, and equation input. Display results in decimal, rational, , or trigonometric formats. Support up to 16 decimal places for precise calculations.
HP 15c Calculator
MORAVIA Consulting, spol. s r.o.
Calculate with precision and reliability
Perform complex calculations using RPN input. Access advanced mathematical functions and programming capabilities. Store and recall values with memory registers. Use a redesigned interface for enhanced usability.
GraphNCalc83
Ernest Brock
Calculate, graph, and edit math problems
Solve math problems with natural textbook input and fraction support. Trace graphs with touch. Zoom using pinch gestures. Tap for regression analysis. Swipe to scroll through calculation history and matrices. Access help via the ? key.
CALC Smart Calculator ±
QApps LLC
Calculate, convert, and solve equations
Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.
Calculator RPN
Benjamin Pisano
Calculate with RPN and scientific functions
Perform complex calculations with scientific functions and RPN mode for efficient input. Access 54 math functions including logarithms, square roots, factorials, trigonometry, and coordinate conversions.
Conversion Calculator Units
RV AppStudios LLC
Convert across 12 categories
Convert across 12 categories and 140+ . Tap to select , swipe to switch values. Adjust options easily. View results instantly without complex steps.
▸ Calculator +
CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC
Calculate, convert, and solve equations
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
How we rank alternatives
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