535
it sure beats having to buy it, but seriously come on...
(i.imgur.com)
not being able to ctrl-F a textbook or have click-to-chapter links sure makes studying harder these days... and any scanning software worth it's salt will at least do the bare minimum OCR automatically...
There are a bunch of online tools that are free and let you upload a PDF to have it go through OCR.
Just Google "Free PDF OCR" and click through all the ads to upload, then give them a temporary email address to get a download link to the finished product.
Hot tip: There are free temporary email address sites too, if you need one to avoid getting on their ad lists.
List of free temorary email solutions.
https://www.guerrillamail.com/
https://10minutemail.com/
https://addy.io/ - this one is slightly different
and about a billion similar ones.
If you have a jpg or png file, you can upload it to Google drive, then right click and open in Google docs, and it will OCR the text for you.