Precalculus Investigations :   a laboratory manual / 
Simundza,Gary M...et al. 
 - upper saddle river :  Prentice Hall ;  c1999 
 - xi,336p. :  ill. ;  28cm. 
<br/><br/><label>ISBN: </label>013  010954 1 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>515 PRE