A Complex Calc app icon

Apps Like A Complex Calc for iPhone and iPad

Calculate, edit, and track numbers

A calculator with Basic and Scientific modes supports numbers and trigonometric functions. Perform quick calculations, access advanced operations, and view computation history. Generate random numbers with uniform distribution.

by Antonio Ruffolo★ 4.723 ratingsUtilitiesFreeData updated 2026-09-14

A Complex Calc screenshots

Ranked alternatives

Showing 361–380 of 1,000 ranked alternatives.

  1. Dev Calc Pro (Hex Dec Oct Bin) app icon

    Dev Calc Pro (Hex Dec Oct Bin)

    DAI WEIJIE

    Convert between number bases easily.

    The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.

    ★ 3.52 ratingsEducation$2.99Data updated 2026-10-13
  2. Janus Calculator app icon

    Janus Calculator

    Geoffrey Domm

    Standard and RPN programmable calculators.

    The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.

    ★ 2.01 ratingsProductivityFreeData updated 2026-09-14
  1. RPN Calculus app icon

    RPN Calculus

    Thomas Braun

    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.

    ★ 4.01 ratingsUtilities$1.99Data updated 2026-09-14
  2. Construction Calc Pro app icon

    Construction Calc Pro

    Snappy Appz Inc.

    Construction computer for feet and inches.

    The app performs calculations in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stairwells.

    ★ 2.511 ratingsUtilities$13.99Data updated 2026-09-22
  3. RPN-45 HD app icon

    RPN-45 HD

    Willy Kunz

    Calculate like a scientific calculator

    Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.

    ★ 4.86 ratingsProductivity$2.99Data updated 2026-09-08
  4. Digiduct app icon

    Digiduct

    Syska Hennessy Group, Inc.

    Calculate ducts, verify designs, track results

    Perform duct design calculations for rectangular, round, and flat oval shapes. Input dimensions and system parameters for accurate sizing. Verify calculations in real-time during field work. Sync with ASHRAE standards for reliable results.

    ★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06
  5. Emu50g app icon

    Emu50g

    Marek Zima

    Emulate HP50g calculator on device.

    The app provides full emulation of the HP50g calculator with its original skin. Users can save and load calculator states, transfer files, and copy/paste results.

    ★ 4.046 ratingsUtilities$8.99Data updated 2026-10-02
  6. Flange Hole Marker Calc app icon

    Flange Hole Marker Calc

    Nanjibhai Gorasiya

    Calculate positions

    Calculate positions with equispaced calculator, angled placement tool, and equivalent count converter. Input dimensions and angles to generate precise measurements. Export results for use in workshop or design processes.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  7. Magna Calc app icon

    Magna Calc

    Greg Paskal

    Calculate magnification and apply Barlow lens adjustments

    Calculate magnification using telescope and eyepiece focal lengths. Input values in millimeters. Include 2x to 5x Barlow lens options. Perform calculations for amateur and professional astronomers. Display results directly.

    ★ 3.02 ratingsEducation$0.99Data updated 2026-09-08
  8. Vintage-45 app icon

    Vintage-45

    Willy Kunz

    Calculate with HP-45 precision

    Simulate the HP-45 scientific calculator with photo-realistic design and animated keys. Perform all original functions and operations. Access a secret stopwatch. Adjust processing speed between real-time and simulated.

    ★ 4.819 ratingsProductivity$0.99Data updated 2026-10-25
  9. Amortization Loan Calculator + app icon

    Amortization Loan Calculator +

    FORESKO, TOO

    Calculate payments and interest

    Calculate and mortgage payments using annuity or differentiated repayment methods. Analyze and compare options with customizable parameters. Perform overpayment calculations and view detailed repayment schedules.

    ★ 4.7105 ratingsFinanceFreeData updated 2026-09-28
  10. Construction Calculator - app icon

    Construction Calculator -

    TERMUX LIMITED LIABILITY COMPANY

    Calculate materials, estimate costs, track progress

    Calculate concrete volume with precise formulas and unit conversions. Estimate material quantities for walls, slabs, and foundations. Measure dimensions and convert units. Generate reports and save calculations for future projects.

    ★ 4.524 ratingsProductivityFreeData updated 2026-09-06
  11. 1st Calc app icon

    1st Calc

    Medienwerkstatt M�hlacker Verlagsges.mbH

    Discover numbers with bead frame.

    The app provides a bead frame for children to discover numbers up to 100. It offers a visual tool for solving addition and subtraction problems, based on current math-teaching knowledge.

    ★ 3.33 ratingsEducation$0.99Data updated 2026-10-01
  12. Inseries: Smart Calculator app icon

    Inseries: Smart Calculator

    Elemental Tools GmbH

    Smart modern elegant calculator app

    The app offers a modern and elegant calculator experience with easy calculation entry and a clear history. It includes built-in calendar functions and supports natural percentage calculations.

    ★ 0.00 ratingsFinanceFreeData updated 2026-10-28
  13. Barbell Calculator Gym Calc app icon

    Barbell Calculator Gym Calc

    Charles Vanderhoff

    Calculate plates for your

    Calculate weights with instant plate configurations. Customize equipment inventory in pounds or kilograms. Supports fractional and non-standard weight plates. Track heavy lifts like squats and deadlifts.

    ★ 4.137 ratingsHealth & Fitness$3.99Data updated 2026-09-09

How we rank alternatives

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