Calculate Quickly ( The Art of Calculation )
by. Henry Sticker
In this book you will learn the art of Addition, Substation, Multiplication, and etc. The whole new techniques are used to calculate mathematical numbers in less than a second. By reading this book you will be able to amaze your teacher, friends, and relatives.
How to Calculate Quickly - Full Course in Speed Arithmetic Publisher: Dover Publications
- Henry Sticker 1955
- Language: English
- ISBN-10: 048620295X
- ISBN-13: 978-0486202952
- Total Pages: 192 pages
- Type: PDF
5.09 MB Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions.
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Calculate Quickly ( The Art of Calculation )
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