No preset courses — ever
Bring your own textbook.
Drop in a PDF, TXT or Markdown file. Every page gets read, tokenized and indexed right here in your browser — then ask anything and get answers quoted from the exact page, in milliseconds.
Drag & drop your textbook here
or
PDF · TXT · MD — one book at a time, processed on this device, never uploaded
0 / 80 words minimum
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