This looks very cool, Mathpix is a great utility for creating mathematical documents from hand written text.

Mathpix is the world's first technology that can read pictures of your handwritten math. Simply take a photo, crop your equation of interest, and you instantly get solutions and plots.

Scanned equations can be exported to PDF, LaTeX, and Overleaf to be used in publications. It also includes a maths solver and interactive 2D, 3D plotting.

The website Mathpix.com has videos of it in action.