Asimov Isaac <br/><br/>
Realm of numbers. 
Diagrs. by Robert Belmore. 
 - Boston  Houghton Mifflin  1959. 
 - 200 p.  illus.  22 cm. 
<br/><br/> Explanations of mathematical techniques and principles are combined with the history of mathematics. Includes simple arithmetic, square root, logarithms, and even imaginary numbers. 
<br/><br/><label>LCCN: </label>59007480 /L/AC/r74 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numeration--Juvenile literature.<br/>Number concept.<br/>Mathematics<br/>Number systems.
<br/><br/><label>LC Class. No.: </label>QA141.3  / .A85 
<br/><br/><label>Dewey Class. No.: </label>513