Demonstrates shortcuts in addition, subtraction, multiplication, and division, tells how to extract square and cube roots, and discusses mathematical tricks.

Synopsis

This is a step-by-step guide to the tips, tricks and tested methods to mastering mental maths. Back by popular demand - the classic book shows anyone how to do fast calculations without a calculator! "Rapid Math without a Calculator" is an easy, accessible step-by-step guide to mathematical shortcuts - covering addition, subtraction, multiplication, divisions and fractions. Armed with a little basic knowledge about mathematical shortcuts - and in much less time than it takes to even find the calculator on a phone or PDA - anyone can instantly and accurately perform complex calculations involving large numbers. These easy to learn techniques are designed specifically for those who are appalled by the idea of adding fractions or dividing percentages. Perfect for business people, homemakers, students, store assistants, sales people, waiters and countless others, "Rapid Math without a Calculator" makes everyone a maths whiz!

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