Hobbs, Glenn M. <br/><br/>
Practical mathematics  : presenting the principles of arithmetic equation, formulas, mensuration, graphs and logarithms 
Hobbs, Glenn M. 
 - Chicago:  American Technical Society,  1970. 
 - x, 608p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / HOP