> With microMathematics Plus, not only can you perform mathematical calculations in naturally readable form but you can also create and manage your own collection of interactive formulas!
[0] https://github.com/mkulesh/microMathematics
[1] https://f-droid.org/packages/com.mkulesh.micromath.plus
[2] https://play.google.com/store/apps/details?id=com.mkulesh.mi...