Interactive mathematics prealgebra 

 - San Diego :    Academic Systems Corporation,   2001. 
 - xii, 744 p. :    ill. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>19289620090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA 39.2 INT 2001