Austin, David, Schlicker, and Boelkins, Matthew

Active Calculus is different from most existing calculus texts in at least the following ways: the text is freely readable online in HTML format and is also available for in PDF; in the electronic format, graphics are in full...

Text

Textbook

College / Upper division

Student

Locke, Joseph and Wright, Ben

The American Yawp is a free, online, collaboratively built American history textbook. Available online at http://www.americanyawp.com/.

Text

Textbook

College / Upper division, Adult education, and Community college / Lower division

Student