Apps Like Complex RPN Calculator for iPhone and iPad
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.
Complex RPN Calculator screenshots
Ranked alternatives
Showing 81–100 of 1,000 ranked alternatives.



All in One Calculator
Ramon Rivas
Calculate, edit, and track equations
Allows users to perform basic and advanced mathematical operations. It includes a sidebar and tab bar for navigation and data sharing. Users can drag and drop entries to create new windows or use the context menu to generate new windows.


LXVII
Nick Tamburri
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.

RPN-67 Pro
Willy Kunz
Programmable calculator for iOS
Run programs and perform calculations using a simulated HP-67 calculator. Input numbers and commands via on-screen keys. Access built-in functions and mathematical operations. Load and execute stored programs from magnetic card files.

Big Button Calculator Pro Lite
Cider Software LLC
Calculate with dual-line display and color themes
Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Switch between 18 color themes. Enter multi-line equations. Automatically format scientific expressions.

Ncalc - Graphing Calculator 84
Tran Duy
Graph functions and trace curves
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.

GraphCalcPro2Go
Starware Software LLC
Calculate with precision and advanced functions
Allows users to perform advanced scientific calculations with high precision and range. It supports standard and RPN input modes, built-in constants, and unit conversions. iCloud sync enables cross-device access to calculation history.

IntCalc
James Preston
Calculate in any number base
An RPN calculator with stack display and base conversion. Users can switch between binary, octal, decimal, and hexadecimal modes. Each stack element can be viewed in any base or as ASCII.

Pascal: 3-in-1 Calculator
Andrew Wei
Calculate, graph, code with precision
Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.



Financial Calculator +
Panoramic Software Inc.
Calculate loans, track investments, plan retirement
Calculate mortgage payments and generate amortization tables. Compute tips and loan details. Analyze time value of money, dates, percentage changes, and break-even points. Perform planning for home purchases, investments, and retirement.

Calculator Max
Pavel Kozarek
Calculations made easy in one app.
The app offers basic and scientific calculators with a history tape. Users can make notes and draw ideas on iPad.

Calculator!
7th Gear
Calculate, customize, and solve equations
Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.


Basic Calculator: Classic Calc
MobArts Ltd
Calculate, split, and customize
Perform general calculations including addition, subtraction, multiplication, division, and square roots. Use memory functions for storage and retrieval. Apply thousands separators and handle numbers up to 60 digits.

Calculator HD Pro
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.

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.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.