Practical mathematics /  

 - 10th ed.  
 - New Delhi :   Khanna,   c1990.  
 - x, 816 p. ;   22cm.  
 -  vol 1.  .
<br/><br/><label>Subjects--Index Terms: </label>Matrix Algebra.  Transformation of axes.  The parabola.  
<br/><br/><label>Dewey Class. No.: </label>510  / PRA