Note: Teacher notes have been unlinked. To receive copies of the Dr.Scheme answer files email possorio@houstonisd.org, using subject "Dr.Scheme math solutions".

This Dr.Scheme programming environment is available for free online at www.htdp.org along with the text book. Training for use of Dr.Scheme and the htdp curriculum was funded and provided by The TeachScheme! Project.

Additional support for the authors work has been received via a Fund for Teachers grant (description) and a Houston A+ Challenge Teacher as Researcher (TAR) grant.