Ruud, Warren L,  1953-. <br/><br/>
Prelude to calculus / 
Warren L. Ruud, Terry L. Shell. 
 - Belmont, Calif :  Wadsworth Pub,  c1990. 
 - xiv, 719, 69 p :  ill. (some col.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534102905 
<br/><br/><label>LCCN: </label>89009102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA39.2  / .R88 1990 
<br/><br/><label>Dewey Class. No.: </label>510