# Giac/Xcas Alternatives

Giac/Xcas is described as 'free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us)' and is an app in the Education & Reference category. There are more than 25 alternatives to Giac/Xcas for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is Qalculate!, which is both free and Open Source. Other great apps like Giac/Xcas are GeoGebra (Free, Open Source), MATLAB (Paid), Mathematica (Paid) and Windows Calculator (Free, Open Source).

- Maple is a general-purpose commercial computer algebra system. Users can enter mathematics in traditional mathematical notation. Custom user interfaces can also be created.
- SMath Studio - is a math program with 'paper'-like interface and numerous computing features. It has an ability to work with systems, matrices, vectors, complex numbers, infinities and fractions.
- Free • Proprietary
- Windows
- Linux
- Online
- Windows Mobile

- Graph is an open source application used to draw mathematical graphs in a coordinate system. Anyone who wants to draw graphs of functions will find this program useful. The program makes it very easy to visualize a function and paste it into another program.
Discontinued

latest version is 4.4.2 (2013)

https://sourceforge.net/projects/graph/files/Graph/ - 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, complex numbers, fractions, vectors, matrices. Commands if, goto and print can be used to create scripts.
- OmniGraphSketcher helps you make elegant and precise graphs in seconds, whether you have specific data to visualize or you just have a concept to explain.
Discontinued

Discontinued but open sourced @ https://github.com/graphsketcher/GraphSketcher

- GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives.
Discontinued

The project was abandoned. Last version, 4.0.1, released on November 24, 2003, can be still downloaded from the official website.

- MathStudio, formerly SpaceTime, is the most comprehensive math app available for mobile devices.
- Paid • Proprietary
- Mac
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Kindle Fire

No screenshots yet - WIRIS cas is an online platform for mathematical calculations designed for education. You can access a powerful calculation toolbar through an HTML page that includes integrals and limits calculation, function graphing in 2D or 3D and symbolic matrices manipulation, among others.