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 921–940 of 1,000 ranked alternatives.

  1. Hydraulic Pressure Calculator app icon

    Hydraulic Pressure Calculator

    Tan Chia Ling

    Calculate force with and diameter

    Calculate force using and piston diameter. Input values in multiple units. Display results with up to 16 decimal places. Copy results to other apps. Include formulas for reference. Optimized for efficient use.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-15
  2. Aquarium Calculator Plus app icon

    Aquarium Calculator Plus

    Heng Jia Liang

    Calculate water volume for aquariums

    Calculate volume for square, rectangular, cylindrical, or hexagonal shapes. Input dimensions in inches or centimeters. Convert measurements to U.S. gallons or liters. Determine correct medication dosage and fish stocking levels based on volume.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-06
  3. Solar Pv Calculator app icon

    Solar Pv Calculator

    Adovee Consulting AB

    Calculate PV panels and batteries

    Calculate system requirements by inputting energy demand, hours, and system specs. Determine optimal PV panel and battery quantities. Generate detailed reports for system efficiency and cost estimation.

    ★ 5.01 ratingsUtilities$6.99Data updated 2026-09-06
  1. Age Calculator Offline app icon

    Age Calculator Offline

    Abid Rahim

    Calculate age from birthdate input

    Calculate age by entering date of birth. Display results in years, months, and days. Function without internet. Provide precise age calculations.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  2. BMI Calculator Pro. app icon

    BMI Calculator Pro.

    长金 胡

    Calculate BMI and get suggestions

    Calculate BMI by entering height and weight. Provide gender-specific results and health suggestions. Track BMI changes over time and receive personalized tips for weight management.

    ★ 4.01 ratingsPhoto & VideoFreeData updated 2026-09-08
  3. Geometry Calculator Solver app icon

    Geometry Calculator Solver

    Cristina Munoz Castillo

    Solve problems and calculate angles

    Calculate area, perimeter, and angles for various shapes including right-angled triangles, squares, equilateral triangles, circles, isosceles triangles, ellipses, and scalene triangles.

    ★ 3.01 ratingsEducationFreeData updated 2026-09-06
  4. Board Feet Calculator app icon

    Board Feet Calculator

    brian drye

    Calculate lumber dimensions and cost.

    The app calculates board feet and total cost using lumber dimensions, quantity, and price per board foot. It is useful for lumber professionals and those purchasing lumber.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-09-11
  5. Average Calculator HD app icon

    Average Calculator HD

    Piet Jonas

    Calculate means and standard deviations.

    The app calculates arithmetic mean, geometric mean, and harmonic mean. It also computes standard deviation and confidence intervals for saved data sets, with results available for emailing.

    ★ 1.01 ratingsEducation$0.99Data updated 2026-09-14
  6. Wire Gauge Calculator app icon

    Wire Gauge Calculator

    Paul Pollock

    Calculate wire resistance and gauge.

    The app calculates wire resistance based on gauge and length. It also determines the minimum wire gauge for a given material, length, and maximum voltage drop.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-10-25
  7. Matrix Determinant Calculator app icon

    Matrix Determinant Calculator

    Kantaben Gorasiya

    Calculate determinants of square matrices

    Calculate determinants for 2x2, 3x3, and NxN square matrices. Input entries manually or via file. Use built-in algorithms to compute results. Display final value clearly.

    ★ 1.01 ratingsUtilities$0.29Data updated 2026-09-06
  8. Graphulator With Calculus app icon

    Graphulator With Calculus

    Paul Turmel

    Plot equations, calculate values, analyze data

    Allows users to plot 2D and 3D equations variable scaling. Input and solve scientific calculations, trigonometric functions, and logarithms. View data outputs and perform numerical operations.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-10
  9. Resistor Calculator Lite app icon

    Resistor Calculator Lite

    Marco Gorgon Escamilla

    Calculate resistor value and tolerance.

    The app calculates the value and tolerance of electric resistors based on their color bands. Users select the resistor's colors, and the app displays the corresponding value and tolerance.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-04
  10. Good Grapher - scientific graphing calculator app icon

    Good Grapher - scientific graphing calculator

    Iurii Mozharovskyi

    Powerful scientific graphing calculator tool.

    The app is a scientific graphing calculator with 2D and 3D graphing capabilities. It also includes a math solver for various equation types.

    ★ 0.00 ratingsEducation$4.99Data updated 2026-10-11
  11. iTopography - Area Calculator app icon

    iTopography - Area Calculator

    Vasileios Gkanis

    Calculate polygon angles and map coordinates.

    The app computes polygon angles and obtains map coordinates. It allows users to create projects, import DXF files, and email data.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-16
  12. Inch Centimeter app icon

    Inch Centimeter

    LionsApp di Nallbati Elton

    Convert units with instant results

    Convert units between inches and centimeters instantly. Enter numbers to get immediate conversions. Save calculations for future reference. Share results directly. Perform quick and accurate measurements without additional steps.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-09-08
  13. Gas Pipe Sizing Calculator app icon

    Gas Pipe Sizing Calculator

    Mr Combi Sales Ltd.

    Calculate correct gas pipe sizes easily.

    The app helps users select the right size pipes for boiler installations. It calculates the total equivalent length, minimum pipe diameter, and pressure drop for copper, steel, and PE pipes.

    ★ 4.01 ratingsProductivity$4.99Data updated 2026-10-04
  14. Digital BMI Calculator app icon

    Digital BMI Calculator

    LA5 DIGITAL LTD

    Calculate BMI with metric or imperial units

    Calculate BMI using metric or imperial units. Input height and weight to receive a score and classification. View BMI history and track changes over time. No ads or paid features.

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  15. PHONEKEY RFID Anti-Counterfeit app icon

    PHONEKEY RFID Anti-Counterfeit

    USERSTAR INFORMATION SYSTEM CO., LTD

    Verify products with NFC scan

    Verify product authenticity using NFC-enabled smartphones. Display dynamic verification codes that change with each scan. Detect packaging tampering with real-time status updates. No need for additional tools or complex procedures.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-12
  16. Cat® Methane Number Calculator app icon

    Cat® Methane Number Calculator

    Caterpillar Inc.

    Calculate and gas parameters

    Calculate , heating value, and natural gas parameters. Enter custom gas samples or use pre-loaded standards. Export results and share data directly.

    ★ 4.01 ratingsBusinessFreeData updated 2026-09-30
  17. Calculator app icon

    Calculator

    Byte Works, Inc.

    Calculates with precision and versatility

    The app provides multiple calculators in one. It includes scientific, algebraic, and logic functions with conversion tools for various units and memory registers.

    ★ 4.01 ratingsUtilities$1.99Data updated 2026-09-09

How we rank alternatives

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