Highlighting on our OER Precalculus Textbook

You can now highlight and take notes directly in our OER Precalculus Textbook, just follow the steps given on the link below

https://www2.openstax.org/webmail/218812/655178295/bf2aa65351a3b52cb35faf6c49d42aa061383da00773b12cacdce16b1da9e246