Tekriwal, Gaurav, <br/><br/>
The Great Indian Mathematicians 
by Gaurav Tekriwal. 
 - xi, 272 pages :  illustrations ;  23 cm 
 - Idiot's guides, as easy as it gets! .
 - Idiot's guides. .
<br/><br/> Includes index. 
<br/><br/>High-speed operations. Multiplication ; Addition ; Subtraction ; Division ; Checking your answers with digit sums -- High-speed math applications. Fractions ; Decimals ; Percentages ; Divisibility ; Squared numbers ; Cubed numbers ; Numbers to the fourth and fifth powers ; Square and cube roots -- Practice problems -- Answer key. 
<br/><br/> "Simple methods for doing math quickly in your head; Shortcuts and tricks for on-paper calculations; Helpful insights to improve your understanding"-- 
<br/><br/><label>ISBN: </label>9781615643165 1615643168 
<br/><br/><label>LCCN: </label>2013945257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Arithmetic--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QA111  / .T44 2014 
<br/><br/><label>Dewey Class. No.: </label>513.2076