Descrição
How to calculate almost anything in your head.
Did you know that it's easier to add and subtract from left to right, rather than the other way round?
You can be taught to square a three-digit number in seconds. Learn how to perform lightning calculations in your head, discover methods of incredible memorisation and other feats of mental agility. Learn maths secrets for the real world, from shopping to calculating a restaurant tip and figuring out gambling odds (or how much you've won). Learn how to solve sudoku faster.
Did you know that it's easier to add and subtract from left to right, rather than the other way round?
You can be taught to square a three-digit number in seconds. Learn how to perform lightning calculations in your head, discover methods of incredible memorisation and other feats of mental agility. Learn maths secrets for the real world, from shopping to calculating a restaurant tip and figuring out gambling odds (or how much you've won). Learn how to solve sudoku faster.
Detalhes do Livro
Formato
Kindle
Páginas
271 páginas
Idioma
Inglês
Publicado
ago 18, 2014
Editora
Souvenir Press
Edições
3 edições
ISBN-10
0285640666
ISBN-13
9780285640665