Count in your head like a computer
Instant download
after payment (24/7)
Wide range of formats
(for all gadgets)
Full book
(including for Apple and Android)
We offer simple methods that allow you to perform calculations in your head with lightning speed, such as multiplication, division, addition and subtraction of numbers, operations with fractions, and taking square and cube roots.
FL/467357/R
Data sheet
- Name of the Author
- Билл Хэндли
- Language
- Russian
2 books by the same author:
Products from this category:
We offer simple methods that allow you to perform calculations in your head with lightning speed, such as multiplication, division, addition and subtraction ...