Berry, John S. <br/><br/>
Learning mathematics through DERIVE / 
John S. Berry, Edward Graham and Antony J. P. Watkins. 
 - New York :  Ellis Horwood,  1993 
 - 371 p. :  ill. ;  23 cm. 
 - Ellis Horwood series in mathematics and its applications. .
<br/><br/><label>ISBN: </label>0130375322  RM70.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Computer-assisted instruction.<br/>Mathematics--Study and teaching.