Penna, Judith A.    <br/><br/>
Graphing calculator manual :   precalculus graph & models, a unit circle approach, algebra and trogonometry graph & model, a unit circle approach /  
Judith A. Penna [and] Daphne A. Bell    
 - Boston :  Addison Wesley,   2001.    
 - 300p. :  ill.;   26cm.    
<br/><br/><label>ISBN: </label>0201709422    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cruise ships   <br/>Ocean travel