Alternatives to ECW Expression Calculator for all platforms with any license





Web / Online


Indie / Classic

Other Platforms

  • SpeedCrunch icon


    SpeedCrunch Portable is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list...

    Open Source Mac Windows Linux

  • Google Calculator icon

    Google Calculator

    Google’s calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. To use...

    Free Web / Cloud

  • RealCalc Scientific Calculator icon

    RealCalc Scientific Calculator

    RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and...

    Freemium Android

  • Windows Calculator icon

    Windows Calculator

    Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all...

    Free Windows

  • CalcTape icon


    CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured....

    Freemium Windows

  • Soulver icon


    Maths on a Mac as it should be. Soulver is a new kind of calculator application which uses a simple yet powerful word-processor style...

    Commercial Mac

  • Qalculate! icon


    Qalculate! is a multi-purpose desktop calculator for GNU/Linux. It is small and simple to use but with much power and versatility...

    Open Source Linux Xfce

  • SpeQ Mathematics icon

    SpeQ Mathematics

    SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there...

    Free Windows

  • PCalc icon


    PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich...

    Commercial Mac iPhone iPad Apple Watch tvOS

  • galculator icon


    galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different...

    Open Source Linux BSD Xfce

  • handyCalc icon


    handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use. With almost all the...

    Free Android

  • Mathdroid icon


    A calculator for Android. Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen...

    Open Source Android

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  • Calcbot icon


    Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in...

    Freemium Mac iPhone iPad Apple Watch

  • TTCalc icon


    TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse...

    Open Source Windows

  • Calculator++ icon


    A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app...

    Open Source Android Android Tablet

  • HEXelon MAX icon

    HEXelon MAX

    HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency...

    Free Windows

  • Calculator Plus icon

    Calculator Plus

    Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed...

    Free Android

  • Numi icon


    Numi is a little program, that lives in your menu bar. It magically combine calculations with text, and allows you to share...

    Commercial Mac

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  • Precise Calculator icon

    Precise Calculator

    Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need....

    Open Source Windows

  • ESBCalc icon


    ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric...

    Freemium Windows

  • Console Calculator icon

    Console Calculator

    Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical...

    Commercial Mac Windows

  • Online Terminal Calculator

    Online terminal based calculator, it is one of the most productive calculator in online, it uses terminal based approach instead of...

    Free Web / Cloud

  • Ruvenss Calculator icon

    Ruvenss Calculator

    Simple yet very effective calculator with print capabilities and log registration.

    Free Mac Windows Linux Chrome OS

  • eCalc Scientific Calculator icon

    eCalc Scientific Calculator

    An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math...

    Commercial Mac Windows

  • Calculate icon


    A math expression calculator with persistent memory for variables and functions. Any JavaScript expression can be evaluated. -...

    Free Mac

  • Numeric Notes icon

    Numeric Notes

    Numeric Notes – is not just a totally new way to count, but also possibility to keep and share calculations on your Mac. ...

    Commercial Mac

  • Moffsoft FreeCalc icon

    Moffsoft FreeCalc

    Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit...

    Freemium Windows

  • Reor icon


    Reor is a powerful calculator blended into perfection with a winsome interface. Reor is freeware, licensed under GNU General Public...

    Free Personal Windows

  • Calc98 icon


    Calc98 is a small but very powerful scientific calculator, with lots of features: Version 5.3 (totally free) # RPN # Base-n...

    Free Windows Windows Mobile

  • Abacus

    Abacus is a calculator for Windows and Linux that calculates while you type. It was released as free software in March 2011.

    Open Source Windows Linux

  • MyCalc2 icon


    MYCalc2 is a powerful RPN programmable scientific/financial/statistical/Currency convertor calculator with units conversion, 2D...

    Free Windows

  • Arithmate Pro Calculator icon

    Arithmate Pro Calculator

    A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the...

    Commercial Android

  • MyScript Calculator icon

    MyScript Calculator

    With MyScript Calculator, perform mathematical operations naturally using your handwriting. Easy, simple and intuitive, just write...

    Free Android iPhone Android Tablet iPad

  • A Basic Scientific Calculator icon

    A Basic Scientific Calculator

    About A Basic Scientific Calculator Beautifully designed basic scientific calculator with support for percent operation, engineering...

    Commercial Mac

  • Engineering Calculator icon

    Engineering Calculator

    Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50...

    Free Personal Windows Mobile

ECW Expression Calculator Comments

User defined functions ftw.

Positive Comment by Killy
about ECW Expression Calculator Apr 2016

The way how custom functions and variables can be defined makes this calculator a suitable Windows alternative for Calculator++ Android app.

Console version is also very handy (when runned as "ec /c"). Only one feature is missing - there is no way to define session variables and functions, only permanent ones in config file.



Positive Comment by igitur
about ECW Expression Calculator Mar 2012

Very useful and unobtrusive in 'Small dialog' mode and 'always on top'.