Goldberg, Kenneth P. <br/><br/>
Pushbutton mathematics  calculator math problems, examples, and activities 
Kenneth P. Goldberg 
 - Englewood Cliffs, N.J  Prentice-Hall  c1982 
 - x, 197 p.  ill.  24 cm. 
<br/><br/> "A Spectrum book."  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.<br/>Calculators--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510  / .7  / 8