Alternatives to ECW Expression Calculator for all platforms with any license

  • SpeedCrunch icon

    SpeedCrunch

    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

  • Qalculate! icon

    Qalculate!

    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

  • handyCalc icon

    handyCalc

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

    Free Android

  • Soulver icon

    Soulver

    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

  • 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

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

    Freemium Windows

  • 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

  • Calcbot icon

    Calcbot

    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

  • Mathdroid icon

    Mathdroid

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

    Open Source Android

  • 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

  • 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

  • TTCalc icon

    TTCalc

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

    Open Source Windows

  • ESBCalc icon

    ESBCalc

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

    Freemium Windows

  • PCalc icon

    PCalc

    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

  • 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

  • galculator icon

    galculator

    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

  • 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

  • Calculator++ icon

    Calculator++

    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

  • 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

  • Calc98 icon

    Calc98

    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

  • 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

  • Reor icon

    Reor

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

    Free Personal Windows

  • 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

  • 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

  • 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

  • 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

  • MyCalc2 icon

    MyCalc2

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

    Free Windows

  • Calculate icon

    Calculate

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

    Free Mac

  • Numi icon

    Numi

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

    Commercial Mac

  • 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

  • Ruvenss Calculator icon

    Ruvenss Calculator

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

    Free Mac Windows Linux Chrome OS