Speed mathematics : secrets of lightning mental calculation
(Book)

Includes index.

"The book is written simply so anyone can understand. The book teaches simple strategies that will enable you to make lightning calculations, multiplication, division, addition and subtraction, squaring numbers or extracting square roots and cube roots; add and subtract fractions at a glance; solve compound interest problems easily, memorise numbers, learn how to use logarithms to make calculations easy; solve right-angled triangles, calculate hypotenuse mentally. Improve your understanding of mathematics while you perform like a genius. People who excel at mathematics use better strategies than the rest of us; they are not necessarily more intelligent. You will learn these strategies. The methods make maths easy and fun. This book is great for students, engineers, parents, teachers, in fact, anyone who enjoys working with numbers and anyone who is terrified of numbers. Home schoolers definitely need a copy of this inexpensive paperback. This new third edition has extra information and new chapters on memorising numbers, logarithms, calculating compound interest and right-angled triangles."--Back cover.