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
Platforms
- Windows
- Linux
Swift Calcs is described as 'The Collaborative Computational Notebook Built for Modern Engineering. Enter math as it appears on paper, get instantaneous results, and share your calculations with colleagues and clients. No special syntax, no software, no headaches, no kidding' and is an website in the education & reference category. There are more than 25 alternatives to Swift Calcs, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best Swift Calcs alternative is Mathematica. It's not free, so if you're looking for a free alternative, you could try Overleaf or fxSolver. Other great sites and apps similar to Swift Calcs are MATLAB, Calcpad, Maple and SMath Studio.
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.
latextopdf.com Offers the capability to convert your tex file to PDF online for free. No registration, installation and email address required. It is free and safe to perform latex to pdf conversion process.

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Java based and open sourced version of matlab and octave
Getting more and more compatible over time.

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For jotting down quick calculations. Mix free form text with calculations and see the results appear in the right hand margin as you type.
