RPN Stack Calculator app icon

Apps Like RPN Stack Calculator for iPhone and iPad

by Alex Migoya★ 4.73 ratingsUtilities$0.99Data updated 2026-09-06

RPN Stack Calculator screenshots

Ranked alternatives

Showing 141–160 of 1,000 ranked alternatives.

  1. WatchType - Watch Keyboard app icon

    WatchType - Watch Keyboard

    Bitsbaker LLC.

    Type on Apple with full QWERTY

    Use a full QWERTY on Apple , including older models. Type messages via Messages . Support extended Latin characters for multiple languages. Enable typing on wrist-sized devices.

    ★ 4.3146 ratingsUtilitiesFreeData updated 2026-09-06
  2. Retro 15C app icon

    Retro 15C

    Greg Hewgill

    Calculate complex numbers and matrices

    Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.

    ★ 4.3228 ratingsUtilitiesFreeData updated 2026-09-08
  1. Halcyon Calc app icon

    Halcyon Calc

    Halcyon Touch Software

    Calculate and solve equations

    Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.

    ★ 4.918 ratingsUtilities$4.99Data updated 2026-09-08
  2. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

    Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, scientific constants, and engineering notation. Enable multiple undo and redo. View results on a paper tape.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-08
  3. Calculator XL app icon

    Calculator XL

    Gero Mazza

    Calculate, convert, and track expenses

    Perform basic and advanced calculations with large, illuminated buttons. Use the scientific for 30 functions. Convert units, calculate loans, and determine tips. Includes standard, scientific, unit converter, loan, and tip calculators.

    ★ 4.7151 ratingsProductivity$9.99Data updated 2026-09-08
  4. Calculi: Scientific Calculator app icon

    Calculi: Scientific Calculator

    Michael Natole, Jr.

    Calculate, edit, and track equations

    Perform calculations with a multi-line display that supports complex expressions and order of operations. Edit equations, save history, and switch between and basic modes. Share results via copy or email.

    ★ 4.4380 ratingsUtilitiesFreeData updated 2026-09-08
  5. RPN-38 CX app icon

    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.

    ★ 5.06 ratingsProductivity$1.99Data updated 2026-09-10
  6. Chem_Calculator app icon

    Chem_Calculator

    铠宁 雷

    Calculate molecular weight instantly

    Calculate molecular weights with a dedicated organic chemistry calculator. Long-press elements for details. Input elements, numbers, and parentheses for real-time results. Access a full-sized periodic table with combined periods 1, 2, and 3.

    ★ 4.3155 ratingsEducationFreeData updated 2026-09-13
  7. Scientific Calculator Premium app icon

    Scientific Calculator Premium

    Nixus Development

    Calculate, graph, and store equations

    Perform complex calculations with root, power, trigonometric, and logarithmic functions. Calculate factorials and double factorials. Draw graphs, use four memory blocks, insert constants, and make notes.

    ★ 4.5286 ratingsUtilitiesFreeData updated 2026-09-08
  8. Calculator´ app icon

    Calculator´

    Oval Software Oy

    Calculate, edit, and share formulas

    Perform calculations with a customizable interface and live results. Define and share advanced functions. Use 3D Touch shortcuts and an expandable widget. Search history via Spotlight.

    ★ 4.6472 ratingsProductivityFreeData updated 2026-09-09
  9. Pin Photo - Photo Widget app icon

    Pin Photo - Photo Widget

    Tiny Whale Pte. Ltd.

    Add photos, refresh albums, customize layout

    Customize home screen with widgets. Add static photos or auto-refreshing albums. Arrange multiple widgets in unique layouts. Use stack feature to swipe through layered widgets.

    ★ 4.5166 ratingsPhoto & VideoFreeData updated 2026-09-06
  10. Calculator HD for iPad. app icon

    Calculator HD for iPad.

    良峰 侯

    Calculate, switch, and share results

    Perform calculations with basic and scientific modes. Switch between portrait and landscape views. Display calculation steps and use a voice-activated . Customize keyboard layout and choose from two skins.

    ★ 4.341 ratingsUtilitiesFreeData updated 2026-09-08
  11. i41CX+ app icon

    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.

    ★ 4.8106 ratingsProductivity$24.99Data updated 2026-09-08
  12. Rapid & Quick Calculator Pro app icon

    Rapid & Quick Calculator Pro

    Tasuku Maeda

    Calculate, tax, discount, track expenses

    Calculate sales tax and discounts with percentage-based equations. View calculation history for reuse. Adjust tax settings via swipe. Customize rounding preferences. Choose from multiple color themes. Perform basic arithmetic operations.

    ★ 4.9205 ratingsFinance$3.99Data updated 2026-09-10

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.