Schlossberg, Edwin. <br/><br/>
The pocket calculator gamebook / 
by Ediwn Schlossberg and John Brockman. 
 - [2nd ed.]. 
 - London :  Wilton House,  [1976] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical reactions.<br/>Calculators -- Problems, exercises, etc.--Calculators -- Problems, exercises, etc.