* Verification, validation, documentation and re-use of mathematical calculations
* Works on smartphone or tablet in portrait and landscape mode
* Supports all commonly used mathematical operations
* Mathematical expressions are written in an intuitive and naturally readable form
* Powerful mathematical touch-screen editor with undo function makes editing easier
* You can do multiple calculations and subsequently correct or change all used formulas
* It is possible to store intermediate results into 1D, 2D, or 3D array that can improve calculation performance
* Mathematical expressions are collected in a document, that includes not only formulas and plots, but also additional text and images (SVG format is also supported)
* You can store your document on SD card and export it into LaTeX format or an image (SD writing permission is needed)
* SD card on Android 6+ is also supported
* The app contains detailed "How to use" page and several examples