RPN Calculus app icon

Apps Like RPN Calculus for iPhone and iPad

Scientific RPN calculator for iPad.

The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.

by Thomas Braun★ 4.01 ratingsUtilities$1.99Data updated 2026-09-14

RPN Calculus screenshots

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. FX Calculus Problem Solver app icon

    FX Calculus Problem Solver

    Euclidus Inc

    Solve problems instantly

    Solve problems with step-by-step solutions. Input equations for automatic solving and animated explanations. Access over 1,000 sample problems. Use scientific and graphing calculators. Track progress and review detailed solutions.

    ★ 3.478 ratingsEducationFreeData updated 2026-09-09
  2. Calcbot 2 app icon

    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.

    ★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
  3. Big Brain - AI Homework Helper app icon

    Big Brain - AI Homework Helper

    Tom Voitik

    Snap, solve, and learn instantly

    Solve math problems by snapping photos. Receive step-by-step explanations and instant solutions. Chat with an AI tutor for personalized help. Track solved problems and access a history of previous answers. Supports algebra, geometry, and calculus.

    ★ 4.61,416 ratingsEducationFreeData updated 2026-09-06
  1. Graphing Calculator Plus AI app icon

    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.

    ★ 4.612,060 ratingsEducation$5.99Data updated 2026-10-22
  2. 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
  3. LXVII app icon

    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.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-20
  4. RPN-65 SD app icon

    RPN-65 SD

    Willy Kunz

    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.

    ★ 5.08 ratingsProductivity$2.99Data updated 2026-10-16
  5. Calculator Pro+ for iPad app icon

    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.

    ★ 4.461,549 ratingsUtilitiesFreeData updated 2026-10-23
  6. RPN-65 Pro app icon

    RPN-65 Pro

    Willy Kunz

    Simulate HP-65 calculator on iPad

    Simulate a programmable calculator with magnetic card input. Run original HP-65 programs. View detailed manuals and technical specifications. Adjust calculator settings and interface layouts. Export calculations and program data.

    ★ 4.04 ratingsProductivity$3.99Data updated 2026-09-10
  7. PhotoMath Solver AI: MathBox app icon

    PhotoMath Solver AI: MathBox

    RLAM FZCO

    Solve problems with a

    Solve problems by taking photos of typed or handwritten equations. Receive step-by-step solutions with explanations. Check homework and study for exams. Access 24/7 assistance.

    ★ 4.413,322 ratingsEducationFreeData updated 2026-09-20
  8. SFX Calc app icon

    SFX Calc

    Wai Kwong Lee

    Calculate with constants and memory

    SFX- performs basic arithmetic operations and allows calculations with a fixed constant. It includes non-volatile and volatile memory storage. It supports fraction and percentage calculations, linear regression, and statistical functions.

    ★ 4.7137 ratingsUtilitiesFreeData updated 2026-09-06
  9. Calculator ∞ app icon

    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.

    ★ 4.76,384 ratingsEducation$5.99Data updated 2026-10-24
  10. RPN-70 SD app icon

    RPN-70 SD

    Willy Kunz

    Simulate financial calculations

    Simulate the HP-70 financial calculator with loan amortization, saving plans, depreciation, and storage registers. View stack contents in popup windows. Perform financial calculations with enhanced accuracy and additional storage options.

    ★ 4.711 ratingsProductivityFreeData updated 2026-09-08
  11. Panecal Scientific Calculator app icon

    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.

    ★ 4.81,952 ratingsUtilitiesFreeData updated 2026-09-08
  12. Camera Math Solver - UpStudy app icon

    Camera Math Solver - UpStudy

    CRAZYSLOTH PTE. LTD.

    Snap questions, get step-by-step answers

    Scan and solve , science, and subject-specific questions with step-by-step explanations. Ask follow-up questions for deeper understanding. Create and follow personalized study schedules. Share notes and solutions with peers.

    ★ 4.61,168 ratingsEducationFreeData updated 2026-10-04

How we rank alternatives

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