Alternatives to ECW Expression Calculator for all platforms with any license

SpeedCrunch

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited...

Free Open Source Mac OS X Windows Linux PortableApps.com
Inline editing Input history Live Preview Multiple languages ... Portable Syntax Highlighting Support for Themes Variables Add a feature

184 Like
Qalculate!

Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages...

Free Open Source Windows Linux Xfce
Equation solving Exchange rates Fractions Persistent History ... Variables Add a feature

33 Like
Calculator

Calculator provides simple and advanced mathematical functions in a beautifully designed app.

Free Web Android Chrome OS Android Tablet Android Wear
No features added Add a feature

36 Like
Soulver

Soulver helps you do quick calculations and work things out. Use Soulver to play around with numbers, do "back of the envelope" calculations, and solve...

Commercial Mac OS X
Natural Language Processing Add a feature

18 Like
Windows Calculator

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

Commercial Windows
Bundled with Windows Add a feature

15 Like
RealCalc Scientific Calculator

RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing. Looking for...

Freemium Android
No features added Add a feature

31 Like
PCalc

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode...

Commercial $ $ $ Mac OS X iPhone iPad Apple Watch tvOS
Reverse Polish notation (RPN) Add a feature

12 Like
Numi

Numi is a handy calculator app for Mac. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today...

Free Mac
Currency Conversion Data export/import Extensible by Plugins/Extensions Support for Keyboard Shortcuts ... Sits in the MenuBar Natural Language Processing Real-time translation Add a feature

10 Like
CalcTape

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

Freemium Windows
No features added Add a feature

13 Like
Calcbot

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

Freemium Mac OS X iPhone iPad Apple Watch
No features added Add a feature

10 Like
Calculator++

A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app using gestures. It has a big variety...

Free Open Source Android Android Tablet
No features added Add a feature

5 Like
Precise Calculator

Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers...

Free Open Source Windows
No features added Add a feature

6 Like
MyScript Calculator

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

Free Android iPhone Android Tablet iPad
Handwriting recognition Add a feature

4 Like
galculator

galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN)...

Free Open Source Linux BSD Xfce
Reverse Polish notation (RPN) Add a feature

8 Like
SpeQ Mathematics

SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute...

Free Windows
No features added Add a feature

9 Like