Carter,L.R. <br/><br/>
The Pocket Calculator 

 - Stoughton:  Teach Yourself Book,  1979. 
 - 183p.;  18cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculator
<br/><br/><label>Dewey Class. No.: </label>651.32  / CAR