This audiobook presents ways to perform fast calculations.
Chapter 1 - Introduction.
Chapter 2 - Times Table - This chapter presents the times table up to 25.
Chapter 3 - Square - This chapter presents the squares of numbers up to 25. Then, it presents how square of numbers ending with 0, starting with 1 and ending with all 0s, comprising of all 1s, comprising of all 9s and ending with 5.
Chapter 4 - Divisibility - This chapter presents ways to detect divisibility up to number 11.
©2014 Sribatsa Das (P)2014 Sribatsa Das
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