TY - BOOK AU - Tekriwal,Gaurav TI - The Great Indian Mathematicians T2 - Idiot's guides, as easy as it gets! SN - 9781615643165 AV - QA111 .T44 2014 U1 - 513.2076 23 PY - 2014///] CY - New York PB - Alpha, a member of Penguin Group (USA) KW - Arithmetic KW - Problems, exercises, etc N1 - Includes index; 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 N2 - "Simple methods for doing math quickly in your head; Shortcuts and tricks for on-paper calculations; Helpful insights to improve your understanding"-- ER -