KAlgebra is described as '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' and is an app in the education & reference category. There are more than 25 alternatives to KAlgebra for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best KAlgebra alternative is Qalculate!, which is both free and Open Source. Other great apps like KAlgebra are Mathematica, MATLAB, Matplotlib and GnuPlot.