Xoctave Alternatives
Xoctave is described as 'is software to creating a complete scientific computing environment designed especially for Matlab users who seek an affordable alternative to Matlab' and is an app. There are three alternatives to Xoctave for a variety of platforms, including Android, Linux, Mac, Windows and Online / Web-based. The best alternative is GNU Octave, which is both free and Open Source. Other great apps like Xoctave are DomainMathIDE and Anoc Octave Editor.
Octave is a computer program for performing numerical computations which is mostly compatible with MATLAB. It is part of the GNU Project. It is free software under the terms of the GNU General Public License.
DomainMath IDE is an open source GUI front-end application for GNU Octave.
Discontinued
Last release is Version 0.1.6 beta in 2013 Q4. The source code github repo is not available either: https://github.com/vinukn/domainmath-ide
Anoc allows you to create and manage Octave projects directly on your Android device and generate the result and plots by using the Octave service available at verbosus.com