Cost / License
- Free
- Proprietary
Platforms
- Windows


Addi is described as 'Java based and open sourced version of matlab and octave' and is a Calculator in the education & reference category. There are more than 25 alternatives to Addi for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Addi alternative is Wolfram Alpha, which is free. Other great apps like Addi are R (programming language), GNU Octave, SageMath and Mathematica.

