ExtCalc app icon

Apps Like ExtCalc for iPhone and iPad

Scientific calculator with formula view.

The app displays a user's formula in a colorized text view. Users can manage multiple calculation sheets, memorize results, and utilize a customizable constants pool and VAT calculator.

by Matthias Weber★ 0.00 ratingsUtilitiesFreeData updated 2026-09-15

ExtCalc screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. Calculator HD for iPad. app icon

    Calculator HD for iPad.

    良峰 侯

    Calculate, switch, and share results

    Perform calculations with basic and scientific modes. Switch between portrait and landscape views. Display calculation steps and use a voice-activated . Customize keyboard layout and choose from two skins.

    ★ 4.341 ratingsUtilitiesFreeData updated 2026-09-08
  1. Rule of Proportion app icon

    Rule of Proportion

    Glindemann, Sennoun, Langer GbR

    Solve proportions with 3 variables

    Solve problems by entering three of four variables. Perform calculations using the . Store input history and view detailed solutions. Support entering fractions, decimals, and constants. Remove ads for an ad-free experience.

    ★ 4.716 ratingsEducationFreeData updated 2026-09-06
  2. SmartCalc Calculator app icon

    SmartCalc Calculator

    Black & Grey Studios

    Edit calculations, copy results, paste inputs

    Access over 50 inputs in portrait mode. Save calculation history until the is closed. Edit, copy, and paste calculations from history or output. Paste clipboard content directly into the .

    ★ 4.822 ratingsUtilitiesFreeData updated 2026-09-09
  3. Calculate Percentage PRO app icon

    Calculate Percentage PRO

    Glindemann, Sennoun, Langer GbR

    Percentages with missing variables

    Percentages by entering two of three variables. Use a modified keyboard to input values, including fractions and decimals. Store calculations in a history log. View detailed solutions and share results. No advertisements.

    ★ 4.748 ratingsEducation$1.99Data updated 2026-09-06
  4. FastCalc app icon

    FastCalc

    Andre Ponzo

    Calculator with large keys and display.

    The app features large, easy-to-read keys for fast input and a permanent display of the user's expression. Results appear automatically as typing occurs, eliminating the need for an equals key.

    ★ 4.84 ratingsProductivity$1.99Data updated 2026-09-12
  5. 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
  6. EduCalc app icon

    EduCalc

    William Jockusch

    Solve equations and graph functions

    Scientific calculator allows complex equation solving, graphing in portrait and landscape modes, and polynomial root finding up to 10th degree. Adjust font sizes and graph line widths. Solve systems of equations and matrices.

    ★ 4.734 ratingsEducationFreeData updated 2026-09-10
  7. Official TRONCASE Calculator app icon

    Official TRONCASE Calculator

    Tony Sauvageau

    Calculate, plan, and reinvest wisely

    Calculate potential earnings using TRX price estimates. Set withdrawal and reinvestment reminders. Switch between mobile and web versions for detailed analysis. Sync with Google Sheets for advanced tracking.

    ★ 4.825 ratingsFinanceFreeData updated 2026-09-06
  8. Mechanical Formula app icon

    Mechanical Formula

    Kantaben Gorasiya

    Calculate formulas and solve problems

    Access engineering formulas and calculations for problem-solving. Input values to compute results. Includes topics like thermodynamics, mechanics, and materials. Supports unit conversions and equation solving. Save and share calculation results.

    ★ 4.721 ratingsEducationFreeData updated 2026-09-06
  9. Refractive app icon

    Refractive

    Xavier Daxhelet

    Optical calculations for engineers and students.

    The app calculates the refractive index of transparent materials based on wavelength. It also computes light transmission angles, reflection and transmission coefficients, critical angle, and Brewster’s angle.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-12
  10. My Physics Calculator app icon

    My Physics Calculator

    V PUGAZHENTHI

    Calculate and engineering parameters

    Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.

    ★ 4.344 ratingsUtilities$2.99Data updated 2026-09-09
  11. RationalNumberCalculator app icon

    RationalNumberCalculator

    Jirou Fukuda

    Calculate fractions and decimals

    Perform fraction calculations with addition, subtraction, multiplication, and division. Input fractions or decimals and receive results in decimal, improper fraction, or mixed fraction formats.

    ★ 5.06 ratingsEducationFreeData updated 2026-09-10
  12. JhongCalc app icon

    JhongCalc

    Tahito Aoki

    Track scores, calculate points, manage sheets

    Track and display scores, ranks, and score differences in real time. Calculate scores for players and manage score sheets. Share scores and view strategic insights to improve gameplay.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-09-10

How we rank alternatives

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