RPN-55 SD app icon

Apps Like RPN-55 SD for iPhone and iPad

by Willy Kunz★ 5.08 ratingsProductivity$1.99Data updated 2026-10-11

RPN-55 SD screenshots

Ranked alternatives

Showing 181–200 of 1,000 ranked alternatives.

  1. 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
  2. RPN app icon

    RPN

    Joachim Seland Graff

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  1. Calculator #1 for iPad app icon

    Calculator #1 for iPad

    PAI STUDIO, OOO

    Calculate, edit, and solve equations

    Perform complex calculations with scientific functions and engineering tools. Input equations, use memory functions, and switch between degrees and radians. Save results and view calculation history.

    ★ 4.357 ratingsUtilitiesFreeData updated 2026-09-25
  2. SymCalc - Symbolic Calculator app icon

    SymCalc - Symbolic Calculator

    Voxeloid Kft.

    Solve math problems instantly

    Solve math problems from basic arithmetic to advanced algebra. Perform exact fraction calculations and store unlimited variables. Create custom functions and graph equations. Switch between exact and numerical modes.

    ★ 4.5168 ratingsEducationFreeData updated 2026-09-13
  3. DayCalc Pro - Note Calculator app icon

    DayCalc Pro - Note Calculator

    良峰 侯

    Calculate, convert, and share results

    Offers a standard, scientific, and fractions with over 30 scientific operations. Users can add notes to calculation history and share entries. It supports portrait and landscape modes on iPhone and iPad, and split-screen functionality.

    ★ 4.6177 ratingsUtilities$0.99Data updated 2026-09-08
  4. 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
  5. U Scientific calculator app icon

    U Scientific calculator

    EONSOFT

    Edit equations, calculate functions, solve complex problems

    Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-13
  6. Goxit FF Tool app icon

    Goxit FF Tool

    Amina Sioui

    Track battery and adjust sensitivity

    Track gaming sessions with a timer and break reminders. Monitor battery usage during gameplay. Adjust sensitivity settings for optimized control. Access gaming tips and wellness features to improve performance and manage gaming habits.

    ★ 4.4111 ratingsEntertainmentFreeData updated 2026-09-06
  7. Lite Financial Calculator app icon

    Lite Financial Calculator

    Alfonso Mogollon

    Calculate, convert, and analyze data

    Perform arithmetic, business, , and scientific calculations. Convert metrics and currencies. Calculate markup, margin, loan amortization, net present value, and internal rate of return. Determine bond yield to maturity and Macaulay duration.

    ★ 5.01 ratingsProductivity$1.99Data updated 2026-09-13
  8. 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
  9. Simple Calculator. + app icon

    Simple Calculator. +

    tasser gyati

    Calculate taxes and percentages

    Perform arithmetic calculations with 12 digits. Calculate tax, percentages, and cost, selling price, and gross margin. Use memory functions, square root, and sign change. Track grand total.

    ★ 4.7147 ratingsUtilities$1.99Data updated 2026-09-14
  10. Construction Calc Lite app icon

    Construction Calc Lite

    Snappy Appz Inc.

    Calculate in feet, inches, and fractions

    Perform calculations with feet, inches, and fractional inches. Add, subtract, multiply, divide, and compute roots or powers. Scale drawings using the scaling feature. Convert and manage measurements directly within the .

    ★ 4.6129 ratingsUtilitiesFreeData updated 2026-09-08
  11. NumWorks Graphing Calculator app icon

    NumWorks Graphing Calculator

    NumWorks

    Calculate, graph, and explore math problems

    Solve math problems with , algebra, and calculus functions. Input equations, plot graphs, and analyze results. Store and recall previous calculations. Sync with calculators for seamless data transfer.

    ★ 4.498 ratingsEducationFreeData updated 2026-09-17
  12. Calculator Ultra for iPhone app icon

    Calculator Ultra for iPhone

    Junhyung Yu

    Calculate, track, and save results

    Perform arithmetic, calculate loans, mortgages, GPA, dates, units, and BMI. Track calculation history for easy reference. Use a clean, intuitive interface for efficient computation.

    ★ 4.769 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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