Penna, Judith A. <br/><br/>
Graphing calculator manual : algebra and trigonometry, graphs & models and precalculus; graphs & models 

 - 4th ed. 
 - Boston  Addison Wesley   2009 
 - 145 p 
<br/><br/><label>ISBN: </label>9780321531988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra. Algebra_Graphic methods. Trigonometry. Graphic calculators.
<br/><br/><label>LC Class. No.: </label>QA 20.C34 P466/