Giac/Xcas Alternatives

Giac/Xcas is described as 'Free computer algebra system for Windows, Mac OS X and Linux/Unix' and is a Calculator in the education & reference category. There are more than 50 alternatives to Giac/Xcas for a variety of platforms, including Windows, Linux, Mac, Web-based and iPad apps. The best Giac/Xcas alternative is Qalculate!, which is both free and Open Source. Other great apps like Giac/Xcas are MATLAB, Mathematica, GeoGebra and Matplotlib.

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Get a badge for your siteGiac/Xcas alternatives page was last updated Aug 24, 2026

MathStudio
8 likes
MathStudio, formerly SpaceTime, is the most comprehensive math app available for mobile devices. Whether you need a simple calculator to do your finances or a replacement for your TI graphing calculator, MathStudio is the most powerful and versatile calculator available on the...
Cost / License
Paid
Proprietary
Application typeApplication types
Calculator
Graphing Calculator
Origin
United States
Platforms
Mac
Online
iPad
iPhone
United States
+2
Good alternative?Is MathStudio a good alternative to Giac/Xcas?
C
C
Cadabra
7 likes
Cadabra is a computer algebra system (CAS) designed specifically for the solution of problems encountered in field theory. It has extensive functionality for tensor computer algebra, tensor polynomial simplification including multi-term symmetries, fermions and anti-commuting...
Cost / License
Free
Open Source
Origin
Netherlands
EU
Platforms
Windows
Linux
C
Good alternative?Is Cadabra a good alternative to Giac/Xcas?
Singular
6 likes
Singular is an open source computer algebra system for polynomial computations, with special emphasis on commutative and non-commutative algebra, algebraic geometry, and singularity theory.
Cost / License
Free
Open Source
Origin
Germany
EU
Platforms
Windows
Linux
Good alternative?Is Singular a good alternative to Giac/Xcas?
KAlgebra
3 likes
KAlgebra is a mathematical graph calculator included in the KDE education package. While it is based on the MathML content markup language, knowledge of MathML is not required for use. The calculator includes numerical, logical, symbolic, and analytical functions, and can plot...
Cost / License
Free
Open Source
Origin
Germany
EU
Platforms
Linux
Germany
EU
Good alternative?Is KAlgebra a good alternative to Giac/Xcas?
Precise Calculator
6 likes
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.
Cost / License
Free
Open Source (GPL-3.0)
Application type
Calculator
Origin
Czechia
EU
Platforms
Windows
Czechia
EU
Good alternative?Is Precise Calculator a good alternative to Giac/Xcas?
Addi
7 likes
Java based and open sourced version of matlab and octave

Getting more and more compatible over time.
Cost / License
Free
Open Source
Application type
Calculator
Alerts
Discontinued
Platforms
Android
Good alternative?Is Addi a good alternative to Giac/Xcas?
GraphSketcher
5 likes
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. Specifically designed for reports, presentations, and problem sets where you need to produce sharp-looking graphs on the...
Cost / License
Free
Open Source
Origin
United States
Alerts
Discontinued
Platforms
Mac
iPad
United States
+7
Good alternative?Is GraphSketcher a good alternative to Giac/Xcas?
Multi Sum Calculator
1 like
Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
Cost / License
Freemium
Proprietary
Application type
Calculator
Platforms
Windows
+1
Good alternative?Is Multi Sum Calculator a good alternative to Giac/Xcas?
F
F
FriCAS
5 likes
FriCAS is an advanced computer algebra system. Its capabilities range from calculus (integration and differentiation) to abstract algebra. It can plot functions and has integrated help system.
Cost / License
Free
Open Source
Platforms
Windows
Linux
F
Good alternative?Is FriCAS a good alternative to Giac/Xcas?
WIRIS cas
2 likes
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.
Cost / License
Free
Proprietary
Application typeApplication types
Calculator
Graphing Calculator
Origin
Spain
EU
Platforms
Online
Spain
EU
Good alternative?Is WIRIS cas a good alternative to Giac/Xcas?
Multi Share Calculator
1 like
Multi Share Calculator is a portable tool that allows anything to be shared proportionally!
95 Multi Share Calculator alternatives
Cost / License
Paid
Proprietary
Application type
Calculator
Platforms
Windows
Good alternative?Is this a good alternative to Giac/Xcas?
Ruvenss Calculator
4 likes
Simple yet very effective calculator with print capabilities and log registration.
Cost / License
Free
Proprietary
Application type
Calculator
Origin
Canada
Platforms
Chrome OS
Canada
Good alternative?Is Ruvenss Calculator a good alternative to Giac/Xcas?