Ruud, Warren L.  1953- <br/><br/>
Prelude to calculus / 
Warren L. Ruud, Terry L. Shell 
 - 2nd ed. 
 - Boston, Mass. :  PWS Pub. Co.,  c1993 
 - 746 p. :  ill. (some col.) 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0534178685 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>LC Class. No.: </label>QA39.2  / R882P 1993