Scanning handwritten notes turns an easily lost or damaged notebook page into a searchable, backed-up, shareable digital file — a meaningful upgrade for how most students actually study and collaborate.
Searchability changes how you review
OCR on scanned notes, even imperfect for handwriting, makes it possible to search across a semester's worth of notes for a specific topic instead of flipping through physical notebooks page by page before an exam.
Backup against loss or damage
A notebook can be lost, damaged, or simply thrown out at the end of a semester before you realize you needed it again — a digital scan is a permanent, easily backed-up copy that doesn't depend on the physical object surviving.
Easier group study and sharing
Sharing a clean scanned PDF of notes with a study group is far more practical than photocopying or physically handing off a notebook, especially for remote or asynchronous group work.
Is it better to scan notes right after class or wait and batch them?
Scanning soon after taking notes, while the handwriting and organization are freshest in memory, tends to produce a more useful archive than a large batch scanned weeks later when context has faded.