calculator_i app icon

Apps Like calculator_i for iPhone and iPad

Calculate with complex numbers and symbols

A calculator with support for imaginary unit i, summation, and product symbols. Perform complex mathematical operations. Users can suggest additional features for future updates.

by 世昌 肖★ 0.00 ratingsUtilities$1.99Data updated 2026-09-06

Ranked alternatives

Showing 241–260 of 1,000 ranked alternatives.

  1. Progressbar Calculator - Retro app icon

    Progressbar Calculator - Retro

    SH Limited

    Calculate and track progress with math precision

    Perform calculations with basic arithmetic operations. Input numbers and equations for quick results. Use a interface with nostalgic design elements. Adjust display settings for different calculation modes.

    ★ 4.428 ratingsUtilitiesFreeData updated 2026-11-06
  2. Fusion Calculator for iPad Lite app icon

    Fusion Calculator for iPad Lite

    Leo Rivas-Micoud

    Save numbers, drag, calculate, reuse

    Allows users to drag and save calculated numbers on the screen. Numbers can be retrieved to perform arithmetic operations. A single button sums all visible numbers on the screen.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-08
  3. Pythagoras Calculator app icon

    Pythagoras Calculator

    Glindemann, Sennoun, Langer GbR

    Calculate triangle sides with Pythagorean theorem

    Calculate missing sides of right-angled triangles using the Pythagorean theorem. Input two sides to find the third. Save calculations in a history. Share complete solutions. Support for entering fractions. Remove ads.

    ★ 4.6244 ratingsEducationFreeData updated 2026-09-13
  1. Position Size Calculator: Fx app icon

    Position Size Calculator: Fx

    Phan Nhat Đang

    Calculate trade based on risk and stop

    Calculate trade based on risk percentage or amount and stop loss in pips. View calculated results and additional options for informed trading decisions.

    ★ 4.6297 ratingsFinanceFreeData updated 2026-09-06
  2. SquareRootCalculator app icon

    SquareRootCalculator

    Jirou Fukuda

    Calculate square roots and fractions

    Calculate square roots and perform fraction operations. Execute basic arithmetic with unlimited precision. Simplify rational expressions easily. Input and compute complex equations without digit overflow.

    ★ 4.237 ratingsProductivityFreeData updated 2026-09-13
  3. 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
  4. 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
  5. Buddha Wall-Buddhist Wallpaper app icon

    Buddha Wall-Buddhist Wallpaper

    永宾 蒋

    Set wallpapers and explore symbols

    Set wallpapers featuring Thangka symbols from Tibetan art. Choose guardian gods to symbolize protection, wisdom, and peace. Display motivational messages related to success and happiness.

    ★ 4.8222 ratingsLifestyleFreeData updated 2026-09-21
  6. Orifice Flow Rate Calculator app icon

    Orifice Flow Rate Calculator

    R.L. Laughlin & Company, Inc.

    Calculate rates offline

    Calculate rates using AGA 3 standard. Determine MCF per day for a single well. Input duration and other parameters. Perform rotary (direct) MCF calculations. No cell service required.

    ★ 4.9113 ratingsUtilitiesFreeData updated 2026-09-16
  7. AI QuickSolver app icon

    AI QuickSolver

    Kison Kristian Larry

    Calculate, scan, and solve math problems

    Unit and currency converter for quick conversions. Solve math problems with handwriting recognition. Calculate BMI, date intervals, and basic data. Analyze equations and perform photo-based problem searches.

    ★ 4.5472 ratingsUtilitiesFreeData updated 2026-09-06
  8. Modulus Calculator app icon

    Modulus Calculator

    Theodore Dubois

    Calculate with modular arithmetic

    Perform calculations using modular arithmetic. Support for powers and modular inverses enables division in modular systems. Toggle the value with a dedicated "mod" indicator.

    ★ 4.88 ratingsUtilitiesFreeData updated 2026-09-15
  9. Math Graphing Lite - Dynamic Scientific Calculator app icon

    Math Graphing Lite - Dynamic Scientific Calculator

    KYBERVISION JAPAN LLC

    Plot expressions and solve equations visually.

    The app plots multiple mathematical expressions with variables and interactive sliders. It includes a calculator mode and a solver tool for equations.

    ★ 4.03 ratingsEducationFreeData updated 2026-09-11
  10. Loan Amortization Calculator app icon

    Loan Amortization Calculator

    RedTracker LLC

    Calculate payments and interest

    Calculate payments, track principal and interest breakdowns, and see how extra payments reduce total cost. Input amount, interest rate, term, and payment frequency. View detailed schedules and estimate total interest paid.

    ★ 4.8650 ratingsFinanceFreeData updated 2026-09-18
  11. PhySyCalc - Units Calculator app icon

    PhySyCalc - Units Calculator

    PhySy Ltd

    Calculate with physical units easily.

    The app supports unit symbols in calculations, providing answers in desired units. It includes physical constants and properties for elements, saving time on conversions and calculations.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-10-14
  12. UniCount scientific calculator app icon

    UniCount scientific calculator

    DANIIL VOIDILOV, IE

    Calculate, store, and solve equations

    Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.

    ★ 4.914 ratingsUtilitiesFreeData updated 2026-09-10
  13. Soil Calculator Plus app icon

    Soil Calculator Plus

    Calc Hub, LLC

    Calculate volume for any shape

    Calculate , topsoil, dirt, or landscaping material needed for projects. Input dimensions for rectangular, circular, or custom areas. Enter measurements in inches, feet, yards, centimeters, or meters.

    ★ 4.9842 ratingsUtilitiesFreeData updated 2026-09-24
  14. Date Wheel date calculator app icon

    Date Wheel date calculator

    Creative Algorithms, LLC

    Calculate time between two dates.

    The app calculates time between two dates in months, weeks, days, and business days. It allows users to save calculations for future reference and countdown to important dates or events.

    ★ 4.797 ratingsBusiness$4.99Data updated 2026-11-11
  15. Best Discount Calculator app icon

    Best Discount Calculator

    Denis Belmont

    Calculate final prices instantly

    Calculate final prices of discounted items with or without tax. Input original price and percentage. Automatically compute final selling price. View tax-inclusive totals. Share results via copy or email.

    ★ 4.7597 ratingsShoppingFreeData updated 2026-09-11
  16. Big Number Calculator app icon

    Big Number Calculator

    Kunio Takeuchi

    Calculate large numbers with precision

    Perform arithmetic operations on large decimal numbers with up to 66000 digits. Add, subtract, multiply, and divide using a single format. Choose between Swift or Objective-C calculation engines.

    ★ 0.00 ratingsEducationFreeData updated 2026-10-18
  17. Converter and Calculator app icon

    Converter and Calculator

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.7267 ratingsUtilities$2.99Data updated 2026-09-08

How we rank alternatives

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