Apps Like RPN-65 SD for iPhone and iPad
Simulate HP-65 calculator
Simulate a programmable calculator with input. Run HP-65 programs, store and retrieve data from magnetic cards. View and edit calculator memory. Access historical documentation and user guides.
RPN-65 SD screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
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.
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.
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.
Calc Pro HD – iPad Calculator
Panoramic Software Inc.
Calculate, edit, and track finances
Perform complex calculations with scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting and planning. Switch between landscape and portrait modes. Save and export calculation results.
TempPro BBQ
iTronics Co., Limited
Monitor temperature and time remotely
Monitor food temperature and cooking time remotely via Bluetooth. Set temperature targets and receive alerts. View real-time data and historical logs. Control the thermometer from a mobile device.
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.
11C Scientific Calculator
Vicinno Soft LLC
Calculate with RPN and functions
Perform complex calculations using RPN entry system. Access hyperbolic and inverse hyperbolic trig functions. Calculate probability, factorials, and percentages. Support absolute, integer, and fractional values. Generate random numbers.
▸ 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.
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.
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.
i41CX+
Antonio Lagana
Programmable, expandable, calculate
Perform complex calculations using RPN and CAS. Run custom programs and modules. Print or plot results via thermal printer. Import/export data in various formats. Access keyboard overlays and iOS features for enhanced functionality.
PowerOne calculator
Crafty Weasel, LLC
Calculate, save, and share formulas
Perform complex calculations with customizable formulas and equation solving. Save and reuse calculations. Convert units and manage multiple profiles. Export results and access advanced functions like matrix operations and statistical analysis.
PCalc Lite
TLA Systems Ltd.
Calculate with advanced scientific functions
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.
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.
Mini Photobooth
Minivan Labs
Capture photos with custom layouts and effects
Design custom layouts with text, backgrounds, stickers, and effects. Run live event mode with countdowns and photo previews. Guests can print via AirPrint or share photos and GIFs to social media or themselves.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.