| 32 simple tricks for quick mental calculations Contributor(s): Perelman, Yakov (Author) |
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ISBN: 291726098X ISBN-13: 9782917260982 Publisher: Prodinnova OUR PRICE: $10.40 Product Type: Paperback Published: January 2019 |
| Additional Information |
| BISAC Categories: - Mathematics | Calculus - Mathematics | Arithmetic - Mathematics | Pre-calculus |
| Physical Information: 0.04" H x 6" W x 9" (0.09 lbs) 18 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays to master them as they will enable you to do calculations in your head without error, as with written calculations. |
Contributor Bio(s): Perelman, Yakov: - Yakov Perelman (1882-1942) was a Russian and Soviet science writer and author of many popular science books. He has been known by his popular, witty and quite scientific works on physics, astronomy and mathematics, which are, moreover written in a marvelous language and are very readable. |