EXPLORING PRECALCULUS WITH THE GEOMETER'S SKETCHPAD
SCHER, DANIEL, ET AL
EXPLORING PRECALCULUS WITH THE GEOMETER'S SKETCHPAD - EMERYVILLE, CA KEY CURRICULUM PRESS 2005
PRECALCULUS--TEACHER'S MATERIALS
EXPLORING PRECALCULUS WITH THE GEOMETER'S SKETCHPAD - EMERYVILLE, CA KEY CURRICULUM PRESS 2005
PRECALCULUS--TEACHER'S MATERIALS