Idiot's Guides: Speed Math (repost)
Idiot's Guides: Speed Math by Gaurav Tekriwal
English | 2014 | ISBN: 1615643168 | 288 pages | PDF | 5,2 MB
English | 2014 | ISBN: 1615643168 | 288 pages | PDF | 5,2 MB
Do math more quickly and with more confidence — with less reliance on paper, apps, and calculators. For people who automatically run to the nearest calculator, Idiot's Guides: Speed Math teaches tips, tricks, and straightforward methods to doing math at a fast — and accurate — rate. Practice examples easily illustrate how even the most math-shy person can better perform calculations.
My nickname - interes