Schattschneider, Doris Geometry turned on! dynamic software in learning, teaching, and research edited by James R. King - New York Mathematical Association of America 1997 - xiv, 206p. : ill - MAA notes 41 ;MAA notes ; no. 41. . ISBN: 0883850990 Subjects--Topical Terms: MATHEMATICS--HANDBOOKS, MANUALS, ETCGeometry - Computer-assisted instruction LC Class. No.: QA 445 GEO