OpenIntro

We offer three textbooks. All are free to download, all are available in print, and all offer supporting teaching tools.

Click here to learn which books
is best for you and your students.

The mission of OpenIntro is to make affordable educational resources that are transparent and open.

We hope you'll join us.

Go beyond the book: We offer a full suite of free teaching tools.

Click here to find videos, interactive
R and SAS labs, slides, R code, and more.

Video

Watch and learn

Many textbook sections include accompanying videos

Click here to explore

Practice

Labs in R and SAS

Learn statistics with a software you will never outgrow

Click here to browse