Whole numbers . 

 - 1 computer optical disc :  sound, color ;  4 3/4 in.+  1 student guide. 
 - Workplace mathematics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics --Study and teaching.<br/>Mathematics --Study and teaching (Elementary).
<br/><br/><label>LC Class. No.: </label>QA135.5   / .W46 2006