HTML and PDF
This book is avaialble as an eBook, a free PDF, or printed and bound. All versions offer the same content and are synchronized such that cross-refernces match across versions.
A web version is available at http://spot.pcc.edu/math/orcca/orcca.html, and this version is recommended. It offers interactive elements and easier navigation than print versions.
A PDF is available at http://spot.pcc.edu/~ajordan/orcca.pdf. Some content is in color, but most of the colorized content from the eBook has been converted to black and white to ensure adequate contrast when printing. The exceptions are the graphs generated by WeBWorK.
Printed and bound copies are available online, through various merchants. Contact the authors if you have trouble finding the latest version online. For each online sale, all royalties go to a PCC Foundation account, where roughly half will fund student scholarships, and half will fund continued maintenance of this book and other OER.