If you need InftyReader for STEM document recognition (converting scanned images to LaTeX, MathML, or Word), here are the official ways to access it:

: Widely regarded as the most accurate tool for converting math images to LaTeX, though it uses a subscription model.

If you're interested in similar tools or alternatives to InfinityReader, there are several options:

often recommended for transcribing math and physical sciences documents. ABBYY FineReader