Crowder, Norman A <br/><br/>
The arithmeticof computers :  an introduction to binary and octal mathematics / 
by Norman A. Crowder 
 - Garden City, N.Y. :  Doubleday,  1960 
 - 472 p. ;  22 cm. 
<br/><br/><label>LCCN: </label>60-013380 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numeration--Programmed instruction<br/>Algebra--Programmed instruction