32 simple tricks for quick mental calculations

This short book is a collection of simple and easily grasped tricks to speed up your mental...
$23.53 SGD
$23.53 SGD
SKU: 9782917260982
Product Type: Books
Please hurry! Only 783 left in stock
Author: Yakov Perelman
Format: Paperback
Language: English
Subtotal: $23.53
10 customers are viewing this product
32 simple tricks for quick mental calculations by Perelman, Yakov

32 simple tricks for quick mental calculations

$23.53

32 simple tricks for quick mental calculations

$23.53
Author: Yakov Perelman
Format: Paperback
Language: English

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.



Author: Yakov Perelman
Publisher: Prodinnova
Published: 01/26/2019
Pages: 18
Binding Type: Paperback
Weight: 0.09lbs
Size: 9.00h x 6.00w x 0.04d
ISBN: 9782917260982

About the Author
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.

This title is not returnable

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Related Products

Recently Viewed Products