A program that converts hand-written equations to LaTeX markup or rich/formatted text

Cleaning up the files and adding documentation will come later

https://www.sciencedirect.com/science/article/pii/S2352340916300828 (Appendix A has a rar file within a zip file within a zip file)

https://cloud.google.com/vision - Gooogle Cloud API - can do a raaaaange of things (OCR capacity, upload handwritten text, although I tested it - and it wasn't the particularly the best at recognising square roots - reaallly worth looking at!)

https://stackoverflow.com/questions/12070631/how-to-use-json-file-in-html-code - json<>html