Thursday, 6 December 2012

Checking of Calculations: Casting Out Nines




While doing arithmetic calculations, we should normally check our calculation. But the checking 
should not be as tedious as the original problem. To solve this problem I am explaining below a very frequently used method which is discussed in Vedic Mathematics as well as by many other mathematicians. Related posts:


  1. No More Carrying Over
  2. Quickly Multiply by 21
  3. Vedic Multiplication by 11

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