Books by Dan Bennett
Pythagoras Plugged In Proofs and Problems
Exploring algebra with the Geometer's Sketchpad
@ La Geometria Dinamica Par El
@ La Geometria Dinamica Par El Siglo XXI
A Wizard's Dozen
Exploring Geometry With the Geometer's Sketchpad
Pythagoras plugged in
Pythagoras plugged in
Exploring Geometry With the Geomater's Sketchpad (Book/CDROM)